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Sunday, November 14, 2021

Is there a clear definition of clear "highly processed food"?

Is there a clear definition of clear "highly processed food"?

Is there a clear definition of clear "highly processed food"?

Posted: 14 Nov 2021 06:52 AM PST

I've read multiple studies posted in /r/science about how a diet rich in "highly processed foods" might induce this or that pahology.

Yet, it's not clear to me what a highly processed food is anyway. I've read the ingredients of some specific packaged snacks made by very big companies and they've got inside just egg, sugar, oil, milk, flours and chocolate. Can it be worse than a dessert made from an artisan with a higher percentage of fats and sugars?

When studies are made on the impact of highly processed foods on the diet, how are they defined?

submitted by /u/lucaxx85
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How long does it take for the body to replenish blood that is lost? And why does it take that long?

Posted: 14 Nov 2021 03:55 AM PST

I have seen from various websites that for blood to fully replenish it takes 4-6 weeks. What I don't understand is why it takes so long and what variation there is depending on the amount of blood lost I.e. 15% vs 30%?

submitted by /u/Ubermarx21
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If susceptibility testing is already difficult and sometimes highly specific for patients who aren’t immunocompromised, how do doctors select antibiotics and antimicrobials for burn victims and patients who have a severely compromised immune system?

Posted: 14 Nov 2021 07:07 AM PST

Is there a gauntlet of drugs that are used against common skin or nosocomial flora that doctors administer until the skin or immune system can kick back in?

For background for anybody reading: We test susceptibility for antibiotics by exposing bacterial cultures to samples of specific antibiotics to see what happens to the bacteria in the plate. When you expose a bacterial colony to an antibiotic it is susceptible to, there will be a reaction that tells us that the doctor can use that antibiotic on a patient to treat an infection.

The reason I am asking this question is because I've never worked in the ER or burn unit, only small labs. And I've seen how in Micro it's necessary to run multiple tests just to determine the proper antibiotic for a single infection. But for a system wide entry wound like a massive burn, I imagined it must be grueling to find a proper treatment when bacteria come in from every surface possible.

submitted by /u/Squaragus_Asparagus
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What was the difference between splitting the atom and nuclear fission?

Posted: 14 Nov 2021 01:52 PM PST

Possibly a stupid question. Encountered something that said that the atom was first split in 1932. This confused me, because I thought the Nazis had discovered nuclear fission in 1938. Am I missing something here? What specifically was discovered in 1938 -- just that splitting an atom could release a large amount of energy? If so, why was that not apparent when they first split the atom six years earlier?

submitted by /u/JackieGigantic
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Quantum Numbers. Why does it have shells and subshells? should'nt it only have orbitals?

Posted: 14 Nov 2021 12:46 AM PST

I was reading quantum numbers and it is really confusing. My questions are:-

  1. Why there is shells in Principal quantum number in quantum mechanical model? wasn't that idea (shell) discarded which caused the bohr model to fail?
  2. What are subshell in Angular momentum quantum number? There shouldn't be shells according to my understanding. the only thing that should be there is orbitals

I am linking videos which made me think these stuff

  1. https://www.youtube.com/watch?v=sMt5Dcex0kg
  2. https://www.youtube.com/watch?v=4WR8Qvsv70s

as you can see there is nothing regarding Shells and subshell. Then why Principal quantum numbers have K, L, M... shells. and azimuthal Q.N have something regarding sub shell. If you put the idea of shell then how will the quantum mechanical model look? what exactly will be those shells and subshells in Quantum mechanical model of atom. According to me it should only contain Orbitals.

The Pdf (pg 55)-https://ncert.nic.in/textbook/pdf/kech102.pdf

I hope I am very concise with my doubt but if any mistake is detected in future, I am sorry.

I apologies if i made any mistake while Making this post. I tried to get an answer from google but they are not very clear (at least to me) Any helpful reply will be greatly appreciated.

submitted by /u/Absolute--void
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How does vasoconstriction increase cardiac preload?

Posted: 14 Nov 2021 07:06 AM PST

I understand that venoconstriction increases cardiac preload by increasing venous return.

However, how does vasoconstriction accomplish this? I just do not understand. If the arteries are constricted, this will increase your body's total peripheral resistance, which will then increase your mean arterial pressure. Your body's baroreceptors will then sense this increase in mean arterial pressure and attempt to compensate for this increase in pressure by decreasing venous return, preload, stroke volume, and CO. Why is it that vasoconstriction actually increases cardiac preload?

Thanks for your help!

submitted by /u/Emilicis
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Does higher octane fuel constitute better gas mileage? If so, is it worth the extra price?

Posted: 14 Nov 2021 01:22 PM PST

Does higher octane fuel (plus, super, etc.) give my car better gas mileage than just the regular octane 87 unleaded fuel at the lowest price at any gas station? I was always told that the higher octane fuel is typically better for your car's engine, and I understand many cars advise in the manuals to use higher octane fuel, but for a car where it does not matter, does it give your car better gas mileage? Have any of you personally done a comparison?

submitted by /u/logakvlt
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When watching a lightning strike in ultra-slow motion, and you see an invisible wave with bits of electricity along the edge hit the ground and turn into a bolt, is that a waveform collapse?

Posted: 13 Nov 2021 07:26 PM PST

I was watching The Slowmo Guys film a lightning strike at 103,000 FPS, and I noticed how the electricity crawls out of the cloud in all directions before coming together into one huge bolt.

This brought back the same weird pictures that went through my head when I heard about the double slit experiment. Is this the same kind of interaction? Does electricity travel in a wave, then collapse instantly when it interacts with something?

submitted by /u/TheJerminator69
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Where do the dead cells in your body go?

Posted: 13 Nov 2021 06:27 PM PST

Will the alcohol evaporate faster or slower?

Posted: 14 Nov 2021 12:22 AM PST

I'm trying to saturate vodka 35,7% with sugar and then neutralize this extreme sugar taste with citric acid to make a disguised alcohol taste and make a placebo component for an experiment of my article. Will this saturation/rest process make the substance lose a lot of alcohol concentration? I know that the union of alcohol with water already reduces the rate of evaporation. But how does this happen only with sugar? And the citric acid?

If the alcohol concentration of the substance decreases too much, the results of the experiment will be compromised, that's why I came here to ask about it.

submitted by /u/De_Gusta
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Saturday, November 13, 2021

How did Schrodinger come up with the wave equation, if he didn't derive it?

How did Schrodinger come up with the wave equation, if he didn't derive it?

How did Schrodinger come up with the wave equation, if he didn't derive it?

Posted: 13 Nov 2021 07:55 AM PST

I am from India and conservative people often boast about how Schrodinger got his wave equation from Hinduism. They say Schrodinger, because he used to study Hindu scriptures, got the equation inspired from Vedanta. Now, I know this is pseudoscience, so I tried to see how Schrodinger derived it.

Google search says the equation can't be derived and is axiomatic. Then...how did he make this equation? Did his mind just produce this equation out of sheer intuition? I thought maybe its like how Newton got F=dp/dt, but again, this equation is far too complex to just come out of nothing. So...what's happening?

submitted by /u/N0nPolitical
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Why do waterfalls sound like white noise? What’s the mechanism that causes this?

Posted: 13 Nov 2021 03:07 AM PST

Why are there so many salt deposits in the Great Lakes? Wouldn't this be counterintuitive since they are freshwater lakes?

Posted: 13 Nov 2021 04:57 AM PST

Furthermore, is it more common for salt deposits to be under land underwater?

submitted by /u/ResidentRunner1
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Can scientists tell if trees in a forest are related ("parents"/"children") to each other?

Posted: 13 Nov 2021 10:26 AM PST

I understand that we can obviously say that a bunch of trees living near each other likely all came from the same group of older or long dead trees. But I mean can we scientifically say "Yes this tree is this other tree's direct descendant" or "this tree and this other tree came from the same 'parent'?"

For example, if we were to analyze the younger sequoia trees in the area around General Sherman in Sequoia National Park, could we say scientifically that this tree is General Sherman's "child", this other tree is the "grandchild", etc?

I hope this makes sense.

submitted by /u/TheDorkNite1
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Do quadrapedal animals experience hand-dominance?

Posted: 13 Nov 2021 09:47 AM PST

I was just playing with my cats, and realized that since they use they're front paws a lot like humans use their hands, that they might experience hand-dominance vs natural ambidexterity. Does hand-dominance exist on quadrapeds?

Also, sorry, there wasn't a flair for Zoology, so if this is the wrong sub let me know.

submitted by /u/xaudionegative
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What will happen other than hyperpigmentation if our body is exposed to excess Eumelanin? Will there be any other negative consequences?

Posted: 13 Nov 2021 07:21 AM PST

I was wondering about how tanning injections work and dug up a bit in the internet. I found out that Eumelanin is a pigment that is responsible for the dark skin colour in some people. I am curious to know why tanning injections have negative implications on human body. Is it because of Eumelanin or some other substance? If no harm is caused by exposure of Eumelanin, why is it not used in treating albinism?

submitted by /u/WishAffectionate7230
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What is the context of the geometric mean when the 50 ohm compromise for impedance matching was determined?

Posted: 12 Nov 2021 05:07 PM PST

I had wished to understand why transmission lines and other electrical systems typically use 50ohm loads for impedance. Everywhere I look online, websites just repeat the facts that this is derived from taking the values that provide highest power transfer (30 ohms), lowest power loss (77 ohms), finding the arithmetic mean (53.5) and geometric mean (48), and 50 is a compromise between them.

There's a lot of other history and data on various other values, but I'm hung up on why geometric mean was considered. I understand the arithmetic mean more intuitively as a midway point between these two ideals, but I can't wrap my head around the purpose of the latter. I have only seen the GM used in basic geometry for triangle side ratios or for certain statistical growth scenarios so I don't have a good image of its use in this real world application; is there a connection with the trigonometry of RF waves and reactive components, or something simpler?

submitted by /u/Demon_Prongles
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How long did it take for the dinosaurs to go extinct?

Posted: 13 Nov 2021 07:43 AM PST

It has been determined that the dinosaurs went extinct due to an asteroid hitting Earth. I feel that many people, myself included, believe that once the asteroid hit, the dinosaurs died almost instantly. Was this actually the case or did it take days, weeks, or even years for the dinosaurs to go extinct after the asteroid hit?

submitted by /u/Shoemagoo52
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How does losing your sense of taste affect digestion?

Posted: 13 Nov 2021 09:54 AM PST

I was taught that as soon as your tongue detects certain tastes (e.g. sugar) your body prepares to process that food (e.g. produce insulin), but if your sense of taste is impaired, does digestion proceed optimally? Is it slowed down?

submitted by /u/pupperonipizzapie
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What happens if a person who was previously vaccinated against rabies gets bitten by a rabid animal (and doesn’t go get booster shots or anything, they just rely on their previous vaccination)?

Posted: 12 Nov 2021 09:27 AM PST

edit: follow up question, is there some sort of "mild rabies" where you have just enough rabies antibodies to not die, but not enough the resist rabies fully? or is it death or no death and no in betweens

submitted by /u/noobiestnewbie
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Why don't Crustaceans have streaks or linings of fat in them like mammals, birds and fish do?

Posted: 13 Nov 2021 08:16 AM PST

Does it matter what type of stem cells are used in tissue engineering?

Posted: 13 Nov 2021 08:15 AM PST

I am not referring to adult stem cells vs embryonic stem cells, rather, for instance, dental follicle cells vs. dental pulp cells, in engineering of dental tissue. Thank you!

submitted by /u/BoyGuyManDude
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How can radium (solid) decay into radon (gas) and then back into polonium (solid)?

Posted: 13 Nov 2021 08:56 AM PST

Like what is the determining factor in what makes a gas and how does radioactive decay alter this factor that substantially, only for it to be changed back immediately afterward?

submitted by /u/NomenNescio13
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Do humans have a specific taste receptor for lead salts that makes it taste sweet or does it bind to existing taste receptors?

Posted: 12 Nov 2021 10:41 PM PST

Just wondering why our body evolved the ability to taste lead in a way that doesn't make us instinctively hate it.

submitted by /u/ChristopherLavoisier
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Can a routine blood test (CBC) detect a blood clot or pulmonary embolism?

Posted: 12 Nov 2021 09:59 PM PST

Does the amount of sleep needed changes according to the intensity of your day?

Posted: 12 Nov 2021 07:37 PM PST

If you have been hard at work for the whole day do you need your more then 7-9 hours

Or alternatively if you have been sitting on your butt all day do you need less then 7-9?

submitted by /u/DogeyLord
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Can light change frequency after passing thru a substance?

Posted: 12 Nov 2021 06:08 PM PST

Is there a substance that when visible light passes through it, it changes into say, radio waves, or vice versa?

submitted by /u/Nuclear_Nutsacc
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In cultures with a concept of 'profanity' (as English speakers would think of it), is it universal to curse when under stress or in pain? Why?

Posted: 12 Nov 2021 10:10 AM PST

This question is actually an intersection of psychology, neuroscience, and linguistics, but the psych/neuroscience element is most interesting to me.

I'm tetra-lingual (knowing 3 Indo-European languages and 1 Dravidian language) and in each language I'm familiar with there are a subset of words that are sort of "taboo" to use in polite company but it is common to shout them when in distress, like if you are hurt or angry.

Is this a universal thing across languages and language families? Are these cultures that don't have such 'profanity' taboos?

And where it does exist, why do people tend to utter these words specifically under stress but put up a taboo around doing it at other times? Is there a psychiatric element to this and is it at all related to the vocal tics that come with impulse control disorders?

submitted by /u/WitnessedStranger
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Would a star ever be able to produce elements heavier than iron?

Posted: 12 Nov 2021 11:50 AM PST

In a hypothetical situation in which one was able to add a large amount of hydrogen back into the core of a star passed its hydrogen burning stage, would the addition of enough hydrogen be able to get the core hot enough to create elements heavier than iron?

submitted by /u/kingc-ro
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Are there still gaps in Newtonian physics?

Posted: 12 Nov 2021 06:26 PM PST

Quick question from a high school student:

Hey, I've just been thinking about this a lot: almost every real world phenomenon can be expressed as some type of equation, or a combination of equations, and every quantity can be calculated like-wise. So yeah, are there still gaps in Newtonian physics? It's the only thing we've discussed so far. In any case, it doesn't feel good to make a paper that seems like it is just a rehash of other papers with some of the slightest modifications.

While this branch of physics is more useful in our everyday lives, it does feel like something like quantum physics, as well as astrophysics and cosmology are going to take the lead in the future in terms of research. And so I am very excited to learn about those next academic year.

submitted by /u/oort_cloud_me
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Why were enantiornithes the dominant small, flying dinosaur before the K-Pg extinction event whereas aves seemed to be a small, niche group of species? Which features made enantiornithes better suited for that world than aves?

Posted: 12 Nov 2021 10:24 AM PST

It seems that the major hallmarks of aves (beak, no physical tail, no claw on wings) had evolved separately several different times in therapod evolution going back tens of millions of years before the K-Pg extinction event yet enantiornithes (which mostly still had a mouth with teeth, at least a small physical tail and a tiny claw on their wings) remained the dominant small, feathered flying dinosaur.

A follow-up question - Are there any features of birds, such as having a beak, thought to be an evolutionary adaptation that can't be done in reverse? As in, a bird having a mouth with teeth might be "better" in certain modern ecological scenarios but the mutations needed to for a bird species to evolve that is virtually impossible?

submitted by /u/slippy0101
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Friday, November 12, 2021

How was covid in 2003 stopped?

How was covid in 2003 stopped?

How was covid in 2003 stopped?

Posted: 11 Nov 2021 03:46 PM PST

Many people seem to instinctively fear spiders, snakes, centipedes, and other 'creepy-crawlies'. Is this fear a survival mechanism hardwired into our DNA like fearing heights and the dark, or does it come from somewhere else?

Posted: 12 Nov 2021 05:15 AM PST

Not sure whether to put this in anthropology or psychology, but here goes:

I remember seeing some write-up somewhere that described something called 'primal fears'. It said that while many fears are products of personal and social experience, there's a handful of fears that all humans are (usually) born with due to evolutionary reasons. Roughly speaking, these were:

  • heights
  • darkness,
  • very loud noises
  • signs of carnivory (think sharp teeth and claws)
  • signs of decay (worms, bones)
  • signs of disease (physical disfigurement and malformation)

and rounding off the list were the aforementioned creepy-crawlies.

Most of these make a lot of sense - heights, disease, darkness, etc. are things that most animals are exposed to all the time. What I was fascinated by was the idea that our ancestors had enough negative experience with snakes, spiders, and similar creatures to be instinctively off-put by them.

I started to think about it even more, and I realized that there are lots of things that have similar physical traits to the creepy-crawlies that are nonetheless NOT as feared by people. For example:

  • Caterpillars, inchworms and millipedes do not illicit the kind of response that centipedes do, despite having a similar body type

  • A spider shares many traits with other insect-like invertebrates, but seeing a big spider is much more alarming than seeing a big beetle or cricket

  • Except for the legs, snakes are just like any other reptile, but we don't seem to be freaked out by most lizards

So, what gives? Is all of the above just habituated fear response, or is it something deeper and more primal? Would love any clarity on this.

submitted by /u/seafoodboiler
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If arrows spun, would it improve their flight stability in the same way as spinning bullets?

Posted: 11 Nov 2021 03:15 AM PST

What is the Origin of the Negative Phase of a Shockwave?

Posted: 11 Nov 2021 04:52 PM PST

The pressure-time characteristic of a blast wave has a positive phase followed by a negative phase. What is the cause for this negative phase? I thought it may be conservation of mass accounting for the increased density of the overpressured air, but I haven't found any solid answers.

submitted by /u/HuronDorado
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How does quantum tunneling work?

Posted: 11 Nov 2021 07:43 AM PST

i mean, a particule can go throught matter because, it´s going too fast, or it can travel trought the gasp in our cells?.i mean, in that way why arent we change by this objects. like. Hows a particule can go so fast that can traverse you without been notice.Ex:- you can feel photons (light) but you can´t feel neutrons so.....

submitted by /u/HiroyashiDr
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When a cloud of gas gravitationally collapsed to form our Solar System, how wasn't that a violation of the second law of thermodynamic?

Posted: 12 Nov 2021 03:31 AM PST

According to Wikipedia, the Solar System was a giant cloud, then parts of it collapsed due to gravity, and this formed the star and the planets. But how does that make sense thermodynamically? A uniform cloud of gas is pretty much the highest entropy you can have. The same matter cleanly delineated into separate bodies with vastly different properties, including non-uniform temperature (the Sun is much hotter than Pluto) -- isn't that strictly less entropy? How come gravity gets us from high entropy to low entropy with no additional energy put into the system?

submitted by /u/thetimujin
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Theory of relativity universe cannot be divided as quantum mechanics suggests is this correct?

Posted: 12 Nov 2021 05:27 AM PST

I been learning a little about quantum mechanics which my understanding about it is near to zero besides the basics I've learned watching some youtube videos.

This video link below David Bohm at the start of the video says according to Theory of relativity the universe cannot be divided while my little understanding of quantum mechanics says the particles divide between different universes.

Can someone explain is what Bhom says correct? are the two Theory of relativity vs quantum mechanics in disagreement?

​

Discussion starts at 1:55

​

https://youtu.be/r-jI0zzYgIE?t=115

submitted by /u/kvixvuixe
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How come some moon phases can be seen during the daylight and some can only be seen at darkness?

Posted: 12 Nov 2021 08:06 AM PST

How do archeologists know if damage to a skeleton occurred during life or after death?

Posted: 11 Nov 2021 01:33 PM PST

What got me thinking about it is I have a small chip in one of my canine teeth, but how would an archeologist in the future know that that damage occurred during my life vs getting chipped at some point during or after a burial considering enamel doesn't grow back?

submitted by /u/ZenHun
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Can allergies be hereditary?

Posted: 11 Nov 2021 12:18 PM PST

How do accents develop?

Posted: 11 Nov 2021 06:16 AM PST

I'm trying to understand how accents develop. For example, why do people from Australia, New Zealand, Canada, and the US all have different accents when certain regions in those countries were populated by people immigrating from the same region in the UK? (I.e. the west coast of Scotland.)

submitted by /u/CourseCold9487
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Are there any animals whose diets change significantly during pregnancy/reproductive cycle?

Posted: 11 Nov 2021 12:28 PM PST

Obviously when growing an entire organism(s) within oneself more nutrients have to be consumed, but are there any animals that have a more dramatic change in their diet? For instance, switching from a primarily herbivorous diet to one that includes meat or other animal products, or vice versa. I tried looking it up but only found sources for what to eat or feed pets during pregnancy.

submitted by /u/therealnotrealtaako
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If Class Reptilia is paraphyletic, why do we still recognize it as valid taxon?

Posted: 11 Nov 2021 08:35 AM PST

So my question is based on my understanding of phylogenetic clusters. Taxons should always be monophyletic, as polyphyletic and paraphyletic groups are problematic. Now according to a lot of trees, Class Reptilia is paraphyletic. If it is indeed invalid, why do we still teach it as if it is valid?

Also follow up question where does the arbitrariness of a clustering regulated? Do we have like IUPAC (in chemistry) for systematics and taxonomy? Because I really don't get how scientists decide whether a taxon is phylum, class, order , etc.

submitted by /u/Deus_Sema
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What makes a drug chemo?

Posted: 10 Nov 2021 10:42 PM PST

So, I am aware that many drugs for autoimmune diseases (ie Chrons, Rheumatoid Arthritis use Methotrexate) are the same drugs used in cancer treatment but at lower dosages.

At doses used for autoimmune diseases, Consumer Medical Information, and websites such as the support agencies for the diseases, explicitly state that the drug is not chemo.

So what is the definition of chemo, and what triggers that definition for the same drug but different dosage.

submitted by /u/PerpetualPoopMachine
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What makes a computer virus so distinctively different from normal computer programs that anti-virus software is able to detect them?

Posted: 10 Nov 2021 02:40 PM PST

Can Ultrasound imaging be used to scan for ligament/tendon injuries in foot?

Posted: 10 Nov 2021 04:11 PM PST

Or elbows.

Why do we need MRI's if Ultrasound is cheaper?

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Thursday, November 11, 2021

Could there be an island of stability somewhere further down the periodic table?

Could there be an island of stability somewhere further down the periodic table?

Could there be an island of stability somewhere further down the periodic table?

Posted: 10 Nov 2021 12:56 PM PST

Why does the standard detection of Sars-CoV-2 by RT-qPCR require 3-gene positivity?

Posted: 10 Nov 2021 05:59 PM PST

Why is my water bottle pressurized after the ice melts in it?

Posted: 10 Nov 2021 11:38 AM PST

So I have a classic Nalgene water bottle which I fill up with ice and water everyday before work. Typically I drink 2-3 cups of coffee over the course of the morning before going for the water. Most of the time at this point the ice has melted completely.

When I open the bottle the first time there is some kind of pressure action happening. I can't describe it better than it feels like the opposite of opening a carbonated bottle.

My guess is that as the ice melts the water level drops and the air that is in the bottle is now stretched across a larger area creating a lower vapor pressure than the air outside of the bottle.

submitted by /u/YUMADLOL
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How come that immunity fades away over time?

Posted: 10 Nov 2021 09:48 AM PST

I've learnt a lot about our immune system, but something that doesn't add up here is why immunity fades away over time. This question is kinde related to covid-19, because here they are talking about a boostershot. When you get infected, you create memory cells (T and B) which will be activated when the same pathogen infectes your body. But won't those memory cells be in our body's for a very long time? Won't they immediately bring up a immune response when activated?

submitted by /u/Pink_Lasagne
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Can you see facial expressions in peripheral vision?

Posted: 10 Nov 2021 09:32 AM PST

Where did the electricity for telegraphs come from during the American Civil War?

Posted: 09 Nov 2021 07:25 PM PST

Looking at Wikipedia, it mentions electromagnets and voltaic piles, but I don't understand how such a small amount of electricity would be able to travel the hundreds of miles needed. I can notice a reduction of power in my leaf-blower when using multiple extension cords, so how would wires from the mid 1800s be able to carry a signal from an early electrochemical battery over a meaningful distance?

Edit: Thanks for the explanations and analogies, they've really helped! It makes a bit more sense now.

submitted by /u/purpleD20
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How are plasma amino acids regulated?

Posted: 09 Nov 2021 08:26 PM PST

What controls how much of each major amino acid is available in the blood / plasma? Does eating a high-protein meal cause a spike in the levels of amino acids in the blood? Is it regulated by glucocorticoid hormones, which increase free amino acids?
Thanks in advance!

submitted by /u/DeliciousPreference5
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Why doesn't autophagy happen more often in the human body? Why does it require at least 24hrs fasted state?

Posted: 09 Nov 2021 07:29 PM PST

I've been trying to research autophagy and the conditions that encourage it, and the consensus seems to be that at least 24 hours of fasting are needed to trigger it. Why is this? It seems that autophagy provides numerous benefits that improve health therefore extending longevity; wouldn't it be more evolutionarily beneficial for autophagy to occur more frequently?

submitted by /u/PhoenixOstara
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Why do female chimpanzees live on average 7 years longer than male chimpanzees?

Posted: 09 Nov 2021 08:01 PM PST

Is it due to environmental fighting where males are more likely to be killed or genetics where the XX chromosome provides more genetic protection with it's redundancy

submitted by /u/chosis12399
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