What population density could t-rex realistically have had? |
- What population density could t-rex realistically have had?
- Can film exist in a format that isn't a series of still frames? Whether analog or digital?
- How does the hippocampus transfer short term to long term memory?
- Why does lava release so many dangerous gases and particles when it touches sea water? Where are all those poisonous gases/materials exactly coming from?
- With Jupiter being a gaseous planet, what is happening at the poles, both magnetically, and thermally? What would a compass do, and is there ice?
- What is the best way to "break in" a new cellphone battery?
- Are there any viruses (viri?) that are beneficial to humans?
- Have we found any evidence that eukaryotic organisms have existed at any point in time outside the 5 kingdoms?
- Do slower animals, such as turtles, slugs, snails, etc have a sense of feeling on the parts of their bodies that touch the ground? If so, how do they deal with hot and cold surfaces for such a long period of time?
- Why are batteries different sizes? What is the difference between using four AAA vs. two D batteries?
- How do insects with queens (ants/bees) develop genetic diversity?
- Exactly what makes certain materials/plants to reflect the light that they do? (Why are strawberries red, etc?)
- What allows horses (and other equines) to carry so much weight?
- How does risk of psychosis compare between recreational drugs?
- Why do some people struggle to pronounce certain words?
- Does red/blue shift have any effect on spectroscopy and if so how do they account for it?
- What’s the difference between analog and digital, in terms of electronics?
- Why does a laptop overheat?
- How do shoe waterproofing sprays work?
- What is worse on our skin, a strong acid or a strong base?
- How can medication cause side effects that counter effect each other?
- What happens on a cellular level when a person "crashes" after a sugar rush?
- What's the limits of the spectrum of normal memory? How much do people usually remember?
| What population density could t-rex realistically have had? Posted: 20 May 2018 07:42 PM PDT Put another way, how big does Isla Nublar have to be to stop a t-rex from starving? Or if I build a time machine, how many square kilometers of the Cretaceous do I need to check before finally actually seeing one? Extant predators can take up a lot of space, and usually need a lot of ecology to support the top of the food chain. If you take the maximum mass and maximum territory size of a Siberian tiger and try to blindly guesstimate up to a 9 ton dinosaur, you get an area almost the size of Rhode Island per dinosaur. This seems unrealistic because they'd hardly ever be able to find eachother to make babies. Do we know anything at all about how closely you could pack large predatory dinosaurs in general? Did they have meetups and spawning grounds? Arms are too short to use Tinder. [link] [comments]  |
| Can film exist in a format that isn't a series of still frames? Whether analog or digital? Posted: 20 May 2018 10:33 AM PDT Instead of many still images creating the illusion of motion, are there other ways of depicting film without a film reel with separate negatives (analog) or a video file (digital) without frames? [link] [comments]  |
| How does the hippocampus transfer short term to long term memory? Posted: 21 May 2018 04:33 AM PDT |
| Posted: 20 May 2018 10:46 PM PDT |
| Posted: 20 May 2018 05:58 PM PDT |
| What is the best way to "break in" a new cellphone battery? Posted: 21 May 2018 05:43 AM PDT So a brand new phone/tablet, out of the box, is there any particular procedure regarding the first charge? We've all heard the advice, some say you must charge the battery first, some say you must use the phone until it's flat then charge it. Others say you must use the battery to below 20% but above 15%. The list goes on. Does it matter? If so, what's the real recommendation and what's the science behind it?? [link] [comments]  |
| Are there any viruses (viri?) that are beneficial to humans? Posted: 20 May 2018 02:08 PM PDT |
| Posted: 20 May 2018 07:07 PM PDT Since we have plenty of examples of other levels of the taxonomic tree of life going extinct (individual species, genuses, etc), what's the furthest "branch" we can go out from the center that is now extinct? Was there an entire class, phylum, kingdom or maybe even domain of organism that no longer exists today? [link] [comments]  |
| Posted: 20 May 2018 07:28 PM PDT |
| Posted: 20 May 2018 12:52 PM PDT Wondering after looking a some flashlights of mine. One uses a couple D batteries while some use AAAs and some use AAs. Do the size differences have to do with voltage, or "amount" of battery? Could you theoretically change something that runs off a D to run off two AAs? [link] [comments]  |
| How do insects with queens (ants/bees) develop genetic diversity? Posted: 20 May 2018 03:40 PM PDT If a colony has only one female that makes offsprings, genetic diversity will not be strong. Wouldn't that be a major setback for evolution? Yet, ants are thriving. [link] [comments]  |
| Posted: 20 May 2018 05:02 PM PDT |
| What allows horses (and other equines) to carry so much weight? Posted: 20 May 2018 06:01 PM PDT More specifically, to carry so much weight without injury. I know other mammals, such as dogs, can sustain serious injuries (such as hip dysplasia or back injuries) when they carry large amounts of weight, and that being the reason why parents should never allow children to 'ride' these animals. [link] [comments]  |
| How does risk of psychosis compare between recreational drugs? Posted: 20 May 2018 09:14 PM PDT X-post from r/askdrugnerds Which drugs have the highest and lowest risk of triggering psychosis? I'd imagine cannabis to be high on the list, and I've heard PCP is also especially likely to cause psychosis. But I'd like some info on how they all compare. If you're aware of any studies or other resources that compare all the drugs, please post the links here. [link] [comments]  |
| Why do some people struggle to pronounce certain words? Posted: 20 May 2018 02:46 PM PDT |
| Does red/blue shift have any effect on spectroscopy and if so how do they account for it? Posted: 20 May 2018 04:42 PM PDT I just learned about spectroscopy today, and watched a video about how it works. To my understanding we can understand the composition of the planets by looking at the wavelengths they emit or absorb and matching those wavelengths up with their respective elements. I was curious if red/blue shift had any effect on this process or if spectroscopy is only reliable up to a certain distance? Thanks! [link] [comments]  |
| What’s the difference between analog and digital, in terms of electronics? Posted: 20 May 2018 06:12 PM PDT Someone was telling me about the shift from analog record players to digital, and I had no clue what they meant. Can anyone clarify the difference here? [link] [comments]  |
| Posted: 21 May 2018 12:00 AM PDT When a laptop is running intensive programs like games, which part(s) cause overheating and why does it overheat? [link] [comments]  |
| How do shoe waterproofing sprays work? Posted: 20 May 2018 11:50 PM PDT What are they made off? Is the same chemicals used for other applications when not marketed as a shoe product? Can they potentially damage textile or leather? [link] [comments]  |
| What is worse on our skin, a strong acid or a strong base? Posted: 20 May 2018 06:28 PM PDT |
| How can medication cause side effects that counter effect each other? Posted: 20 May 2018 03:24 PM PDT For example, side effects such as tiredness and fatigue are caused by a medication, but also insomnia or even increased energy. "How is it that medication causes side effects that are opposites of each other?" may be a more appropriate question. [link] [comments]  |
| What happens on a cellular level when a person "crashes" after a sugar rush? Posted: 20 May 2018 05:06 PM PDT |
| What's the limits of the spectrum of normal memory? How much do people usually remember? Posted: 20 May 2018 02:34 PM PDT This question came upon after reflecting upon my childhood memories (or lack thereof, really). One of my good friends can vividly recall specific days or conversations he had while 5-8 years old. I remember 3-4 birthdays, a few christmas'. Only still pictures, and never any conversations. How much is it normal to remember? [link] [comments]  |
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