Is there any organism that has more than one brain?

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• Is there any organism that has more than one brain?
• How much radiation does a luggage scanner deliver vs say medical x-ray?
• Can someone explain the environmental impact of electric car batteries?
• Is body chemistry affected by sound, in the same way that melatonin production is affected by light?
• How do we know the temperature of the centre of the sun?
• How do they reproduce seedless fruits/vegetables ?
• How have cancer treatments actually improved?
• Can a virus go extinct?
• Does breast size affect risk of breast cancer?
• How is Titan able to have an atmosphere pressure similar to Earth when it's gravity is so much lower than Earth's?
• Would it be theoretically possible to trap light with a strong enough set of magnets/electromagnets?
• Does knowing multiple languages actually alter your brain structure? If so, how?
• Why do we use four or more rotors on drones, but only maximum two on regular helicopters? Why are we not making full size quadrocopters?
• Is the color of an animal's covering (skin, furr, feathers, etc) determined by the amount of colors they can see?
• Are organisms trapped in amber mineralized fossils, the original tissue or a combination of both?
• Is it possible to have similar mass planets in a stable mutual orbit?
• Is it possible to make concrete a liquid again from a solid?
• Does soapy water flow through pipes more quickly than plain water?
• What physical part of a tree absorbs Co2?

Is there any organism that has more than one brain? Posted: 16 Feb 2018 05:20 PM PST submitted by /u/DAFUQyoulookingat [link] [comments]

How much radiation does a luggage scanner deliver vs say medical x-ray? Posted: 16 Feb 2018 08:51 AM PST I saw this posted and was wondering how much radiation this lady was exposed too. submitted by /u/TimeToSackUp [link] [comments]

Can someone explain the environmental impact of electric car batteries? Posted: 16 Feb 2018 12:20 PM PST Someone was telling me today that electric cars are worse for the environment because of the harm caused in battery manufacture. They said it was equivalent to 30 diesel pickups running twenty four hours a day for some huge number of days. I hope that isn't true. Thanks. Edit: Thank you again to everyone. The argument I was in started because I talked about retro fitting an auto with a motor and batteries, and charging with my houses solar system. I was told I would be wasting my time and would only be making a show off statement. submitted by /u/custhulard [link] [comments]

Is body chemistry affected by sound, in the same way that melatonin production is affected by light? Posted: 17 Feb 2018 06:52 AM PST submitted by /u/iorgfeflkd [link] [comments]

How do we know the temperature of the centre of the sun? Posted: 17 Feb 2018 06:05 AM PST submitted by /u/Jaikus [link] [comments]

How do they reproduce seedless fruits/vegetables ? Posted: 17 Feb 2018 06:38 AM PST Seedless watermelon for instance, where do they get the seeds to reproduce ? submitted by /u/split_electron [link] [comments]

How have cancer treatments actually improved? Posted: 16 Feb 2018 09:45 AM PST We see headlines all the time about positive results in studies with mice, but what has translated to usable treatments in humans? submitted by /u/SarahHeartzUnicorns [link] [comments]

Can a virus go extinct? Posted: 16 Feb 2018 01:05 PM PST submitted by /u/Dandanplatypus [link] [comments]

Does breast size affect risk of breast cancer? Posted: 16 Feb 2018 07:16 PM PST submitted by /u/shagbarksghost [link] [comments]

How is Titan able to have an atmosphere pressure similar to Earth when it's gravity is so much lower than Earth's? Posted: 16 Feb 2018 06:29 PM PST submitted by /u/flapanther33781 [link] [comments]

Would it be theoretically possible to trap light with a strong enough set of magnets/electromagnets? Posted: 16 Feb 2018 10:30 AM PST I have heard of ideas like mirror boxes, but those wouldn't be very efficient, as light would slowly "Degrade(?)" as it loses energy when it bounces. I also know that light is sort of a particle and sort of an electromagnetic wave. Would it be theoretically possible to create a device that could hold light indefinitely by manipulating the light wave? I imagine this would take an unreasonable amount of energy, but black holes do it with gravity. Can you emulate that kind of orbit with a magnet or electromagnet? submitted by /u/TheSupian [link] [comments]

Does knowing multiple languages actually alter your brain structure? If so, how? Posted: 16 Feb 2018 02:08 PM PST submitted by /u/Avatar_Hung_Low [link] [comments]

Why do we use four or more rotors on drones, but only maximum two on regular helicopters? Why are we not making full size quadrocopters? Posted: 16 Feb 2018 11:03 AM PST Is one more efficient for the size than another? More powerful? "We just alyways did it this way"? submitted by /u/TerribleCommittee [link] [comments]

Is the color of an animal's covering (skin, furr, feathers, etc) determined by the amount of colors they can see? Posted: 16 Feb 2018 05:29 PM PST submitted by /u/Brx217 [link] [comments]

Are organisms trapped in amber mineralized fossils, the original tissue or a combination of both? Posted: 16 Feb 2018 09:38 AM PST submitted by /u/TomJCharles [link] [comments]

Is it possible to have similar mass planets in a stable mutual orbit? Posted: 16 Feb 2018 11:24 AM PST Even if it's not possible naturally, could such a system be engineered? When would the smaller object be considered a moon? submitted by /u/Quicksilver_Johny [link] [comments]

Is it possible to make concrete a liquid again from a solid? Posted: 16 Feb 2018 09:25 AM PST I've seen videos where they un-mix liquids and some other crazy stuff that we never knew was possible, so with that being said would it be possible to make concrete back into the mushy liquidy material it was when it was being poured? submitted by /u/That_Mann [link] [comments]

Does soapy water flow through pipes more quickly than plain water? Posted: 16 Feb 2018 09:24 AM PST submitted by /u/SystemFolder [link] [comments]

What physical part of a tree absorbs Co2? Posted: 16 Feb 2018 08:50 AM PST submitted by /u/WarstormThunder [link] [comments]

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Do heavily forested regions of the world like the eastern United States experience a noticeable difference in oxygen levels/air quality during the winter months when the trees lose all of their leaves?

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• Do heavily forested regions of the world like the eastern United States experience a noticeable difference in oxygen levels/air quality during the winter months when the trees lose all of their leaves?
• If I were to release oxygen into the vacuum of space where would it go?
• Why are there so many types of cables?
• Why don't they use jet engines for the first stage of rockets?
• why does placebo work?
• Why do your hearing get slightly reduced when you yawn?
• How did the Apollo lunar transfer stages end up in a solar orbit?
• Do astronauts have difficulties with swallowing and digestion?
• How do moving electrically charged particles cause magnetism?
• Is electricity affected by gravity?
• Why is the land around Mt Fuji so flat?
• Can gas vehicles be converted to electrical, on mass, efficiently?
• Why are there layers of clouds in the sky?
• Is it possible to fire a bullet around the earth using only the force of the initial blast?
• Where do scientists get so many mice with cancer for their cancer research?
• Is the rate of decrease in the Equatorial Bulge significant in relation to sea level rise?
• How close do stars have to be before they're considered a binary system?
• Why can some properties (super magnetism, quantum entanglement, etc) currently only work efficiently in the extreme cold?
• Has the expansion rate of the universe always been strictly increasing?
• Why don’t thunderstorms occur in the snow?
• Why can we feel cramps or stomach aches? Do we have nerve endings inside of our body?
• Is there any limitation to scaling flux pinning?
• How is electricity transferred from clouds despite​ air being a insulator?
• What determines the height and volume of clouds?

Do heavily forested regions of the world like the eastern United States experience a noticeable difference in oxygen levels/air quality during the winter months when the trees lose all of their leaves? Posted: 15 Feb 2018 06:11 PM PST submitted by /u/goodyboomboom [link] [comments]

If I were to release oxygen into the vacuum of space where would it go? Posted: 15 Feb 2018 02:34 PM PST Would it just float, would it be attracted to the strongest gravitational field, would it compress? In the case it floats would I be able to breath in space if I were standing in it? submitted by /u/simplybasics [link] [comments]

Why are there so many types of cables? Posted: 16 Feb 2018 06:11 AM PST Why aren't all cables just the positive and negative wires side by side? What is the advantage of having coaxial cables and such? submitted by /u/the-johnnadina [link] [comments]

Why don't they use jet engines for the first stage of rockets? Posted: 16 Feb 2018 07:26 AM PST I just learnt about specific impulse and how the specific impulse of jet engines is much higher because they don't have to carry their own oxygen. And that made me think; why don't they use jet engines for the first stage, when there's still oxygen around? Wouldn't that be much more efficient? submitted by /u/GwnRobin [link] [comments]

why does placebo work? Posted: 15 Feb 2018 08:32 AM PST submitted by /u/KushDidNineEleven [link] [comments]

Why do your hearing get slightly reduced when you yawn? Posted: 16 Feb 2018 04:50 AM PST submitted by /u/TMKT [link] [comments]

How did the Apollo lunar transfer stages end up in a solar orbit? Posted: 15 Feb 2018 03:16 PM PST After the lunar injection burn, the Apollo crew and the transfer stage were on a free return trajectory. Why didn't the stage slingshot around the moon and burn up in Earth's atmosphere? submitted by /u/cowrider350 [link] [comments]

Do astronauts have difficulties with swallowing and digestion? Posted: 15 Feb 2018 12:12 PM PST Would weightlessness mean that food and water floats around inside your body, making digestion hard? If so, how is it dealt with? submitted by /u/OrangeApple_ [link] [comments]

How do moving electrically charged particles cause magnetism? Posted: 16 Feb 2018 03:28 AM PST I understand that magnetism and electricity are 2 side of the same coin and that one causes the other. But why? How come an electric current create a force that isn't in the direction of the momentum of the electrons? submitted by /u/swellfellow33 [link] [comments]

Is electricity affected by gravity? Posted: 15 Feb 2018 01:13 PM PST submitted by /u/Heroesluck [link] [comments]

Why is the land around Mt Fuji so flat? Posted: 15 Feb 2018 04:53 PM PST I have seen pictures and topo maps of Mt Fuji (https://goo.gl/maps/GuWNF7kGGso), and the land surrounding the mountain is impressively flat, then impressively mountainous. Is this unusual? How does this happen? submitted by /u/the-silent-man [link] [comments]

Can gas vehicles be converted to electrical, on mass, efficiently? Posted: 16 Feb 2018 03:04 AM PST With recent advances in electric vehicles, and several governments committing to the elimination of fossil fuel use, I'm reminded of the period of time where cars were converted from leaded to unleaded petrol. I remember my parents having to get a catalytic convertor fitted at their expense. Is this type of conversion something we should expect to see soon? And if so, is it going to be remotely affordable for the masses? submitted by /u/PsyPup [link] [comments]

Why are there layers of clouds in the sky? Posted: 15 Feb 2018 09:53 AM PST I noticed this while flying. There's one main layer of clouds but multiple layers above it. Are these not clouds of water? Or does water condense into clouds at different heights depending on pressure and temperature? submitted by /u/TriTheTree [link] [comments]

Is it possible to fire a bullet around the earth using only the force of the initial blast? Posted: 15 Feb 2018 11:13 PM PST So i was thinking, rockets can travel around the earth, but they use a propulsion system. So i was wondering if it is possible for a bullet to do the same utilizing nothing but the initial blast, gravity, and the wind. It wouldn't matter how big it would have to be or what shape or how big of a blast is needed, just if it is possible at all. submitted by /u/HypNoEnigma [link] [comments]

Where do scientists get so many mice with cancer for their cancer research? Posted: 16 Feb 2018 04:11 AM PST And how do you force a mice to have cancer in first place? submitted by /u/ToniT800 [link] [comments]

Is the rate of decrease in the Equatorial Bulge significant in relation to sea level rise? Posted: 16 Feb 2018 03:08 AM PST I just went down the rabbit hole reading about the Equatorial bulge. Given that the earth's rotation is slowing minutely, is the decrease in the 21 km Equatorial bulge significant enough to make any noticeable difference in sea level rise at the equator? Edit: double word submitted by /u/FallofftheMap [link] [comments]

How close do stars have to be before they're considered a binary system? Posted: 15 Feb 2018 08:53 PM PST Perhaps a better way to ask would be how far apart can they get before their gravity no longer affects each other? I bet these values differ given masses and all, but is there a rough average? submitted by /u/_S_A [link] [comments]

Why can some properties (super magnetism, quantum entanglement, etc) currently only work efficiently in the extreme cold? Posted: 15 Feb 2018 11:05 PM PST submitted by /u/nektro [link] [comments]

Has the expansion rate of the universe always been strictly increasing? Posted: 15 Feb 2018 05:57 PM PST To explain what I mean: I've been told the universe began with a period of ultra-rapid expansion. I've also been told that the universe is still expanding today and at an accelerated rate. The use of 'ultra-rapid' gives me the impression that it was expanding faster in the past than it is now, but this seems to imply the acceleration slowed at some point to reach the current rate. I've read all the questions in the FAQ on expansion, which confirms the parts that are confusing me but doesn't seem to discuss the rate of change in acceleration (or if it did I couldn't find or understand it). One part of the FAQ says "the Universe was left expanding ever since [the big bang]" while another part says the universe was "expanding far FAR FAR faster than it does now" So did the acceleration start ultra-rapid, slow down, and increase again? If not, what's actually going on? If so, when did the slowdown happen, and could it happen again? I have only a high-school level understanding of space science, please consider my education level when writing your response. submitted by /u/QuestionsBurnerAcct [link] [comments]

Why don’t thunderstorms occur in the snow? Posted: 15 Feb 2018 09:27 PM PST Does it have something to do with the freezing temperatures? submitted by /u/L2R2L1 [link] [comments]

Why can we feel cramps or stomach aches? Do we have nerve endings inside of our body? Posted: 15 Feb 2018 02:29 PM PST submitted by /u/Chilltato [link] [comments]

Is there any limitation to scaling flux pinning? Posted: 16 Feb 2018 01:01 AM PST I read the Wikipedia about flux pinning and as far as I could tell, there were none. I'm a complete layman, so it's possible I might have missed something. By scaling, I mean: 1. Most Youtube videos take a magnet and a type 2 superconductor and have the former levitate over the latter. So can a super-strong magnet achieve stronger effects? Like can a Florida Bitter design be super strong? 2. Can the size of the setup of such a levitating experiment have any limits? As I already mentioned, I'm a complete layman, so I'd appreciate it if you broke the limitations, if any, into simpler terms. submitted by /u/NervousRing [link] [comments]

How is electricity transferred from clouds despite​ air being a insulator? Posted: 16 Feb 2018 12:54 AM PST submitted by /u/za463092 [link] [comments]

What determines the height and volume of clouds? Posted: 16 Feb 2018 12:50 AM PST How come some clouds are much higher than others and why is it that some clouds are feather like while some are really fluffy? submitted by /u/_shouldbevincent_ [link] [comments]

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Is there any reason for the alphabet being in the order its in?

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• Is there any reason for the alphabet being in the order its in?
• How does the Meltdown patch work?
• How was north defined as the top part of the earth and south defined as the bottom part of the earth?
• If the minimum shutter speed of my phone camera is at 1/6000 of a second why can't I shoot slow mow videos with 6000 fps?
• How do wild animals not get sick from eating raw meat?
• Can radio/infrared/UV waves (etc.) heat up food too or is the microwave portion of the spectrum special?
• My friend's farts always smell like death. Do people really have distinctive fart smells?
• Are ores found at different height levels in real life like in Minecraft?
• What is the limit we can potentially zoom in on distant galaxies? Aperture limit?
• Why are we advised against reusing pre-filled plastic water bottles?
• Do different blood types dry different colors?
• How are planetary "flyby" photos from space probes taken? Does someone actually have to orient the camera from Earth or does it do it automatically?
• hat has changed, technologically speaking, to allow people to fly around in Bathtub Drones like the guy on YouTube? We've had propellers, radio-controls, batteries, for years. Is it just that the design of the drone in general is so innovative as to have been a total game-changer?
• Pulsars have a very regular pulse frequency from our perspective, but since these are super massive objects that distort spacetime, how would those pulses be perceived for an observer extremely close to one of those objects? Would pulses slow down? Speed up?
• What determines the size of raindrops?
• If water boils and evaporates at 100°C, then how can a lake dry up?
• Why are pre-historic drawings so ugly?
• How much of the sun's hydrogen will undergo fusion?
• What does an alpha particle look like? Do the protons stay as far apart as possible or does the nucleaus take on a more compact configuration?
• Is there a case in which a base unit to the power of another base unit (e.g., meters^kilogram) has physical meaning? What about logarithms or roots?
• Is the outer space hotter than the average temperature on earth?

Is there any reason for the alphabet being in the order its in? Posted: 14 Feb 2018 04:41 PM PST submitted by /u/dworkphone [link] [comments]

How does the Meltdown patch work? Posted: 15 Feb 2018 12:43 AM PST Before I ask the question, please tell me if my understanding is wrong as I am still learning about computer architecture: Modern CPU's utilize out of order execution, which means instead of waiting for each instruction cycle to finish, it will start fetching other instructions. So if there are branch dependent instructions, the CPU will need to predict what data will be coming from the branch (branch prediction) If the prediction is wrong, the register will remove the data, and it will be gone in theory, but in practice they are stored in the cache. (This is where I think I'm gonna be wrong) And through cache side channel attack, attackers can get data. Now what has the kernel memory got to do with this, and how does the KAISER patch slow down the CPU? submitted by /u/yangfuchian [link] [comments]

How was north defined as the top part of the earth and south defined as the bottom part of the earth? Posted: 15 Feb 2018 01:20 AM PST Due to the earth being round and gravity, there is no definitive way to know which way is top. So is the north top or bottom? In fact, is there a top or bottom in the whole universe? submitted by /u/tpkrtcanoe [link] [comments]

If the minimum shutter speed of my phone camera is at 1/6000 of a second why can't I shoot slow mow videos with 6000 fps? Posted: 15 Feb 2018 02:37 AM PST submitted by /u/_StrattonBroakmont_ [link] [comments]

How do wild animals not get sick from eating raw meat? Posted: 14 Feb 2018 04:18 PM PST submitted by /u/PM_ME_UR_LEFT_TOE [link] [comments]

Can radio/infrared/UV waves (etc.) heat up food too or is the microwave portion of the spectrum special? Posted: 15 Feb 2018 07:26 AM PST I'm curious if there's something special about microwaves or if waves in other portions of the electromagnetic spectrum could, in theory, be used to heat food. I'm inclined to say 'no' since visible light hits my food all the time without warming it but it could be a matter of concentration. Is the choice of microwaves an economical (vs. scientific) one? submitted by /u/MentallyWill [link] [comments]

My friend's farts always smell like death. Do people really have distinctive fart smells? Posted: 15 Feb 2018 06:20 AM PST Silly question but a valid one nonetheless: do people have different gut bacterial populations? Can that influence the way they smell? submitted by /u/iode131 [link] [comments]

Are ores found at different height levels in real life like in Minecraft? Posted: 15 Feb 2018 02:16 AM PST submitted by /u/TrisTanK989 [link] [comments]

What is the limit we can potentially zoom in on distant galaxies? Aperture limit? Posted: 14 Feb 2018 07:08 PM PST submitted by /u/ks0385 [link] [comments]

Why are we advised against reusing pre-filled plastic water bottles? Posted: 14 Feb 2018 05:11 PM PST submitted by /u/nachtstiel [link] [comments]

Do different blood types dry different colors? Posted: 14 Feb 2018 07:40 PM PST I'm watching an Australian series, The Doctor Blake Mysteries, and he often has a paper chart with dried blood samples to compare with blood samples to determine blood type. Is this late 50s/1960s pseudo-science, or do different blood types dry slightly different colors? submitted by /u/The_Trekspert [link] [comments]

How are planetary "flyby" photos from space probes taken? Does someone actually have to orient the camera from Earth or does it do it automatically? Posted: 14 Feb 2018 08:44 PM PST submitted by /u/internet_czar [link] [comments]

hat has changed, technologically speaking, to allow people to fly around in Bathtub Drones like the guy on YouTube? We've had propellers, radio-controls, batteries, for years. Is it just that the design of the drone in general is so innovative as to have been a total game-changer? Posted: 14 Feb 2018 09:41 PM PST HERE is the link for those that don't know what I'm talking about submitted by /u/CaptArchibaldHaddock [link] [comments]

Pulsars have a very regular pulse frequency from our perspective, but since these are super massive objects that distort spacetime, how would those pulses be perceived for an observer extremely close to one of those objects? Would pulses slow down? Speed up? Posted: 14 Feb 2018 03:51 PM PST submitted by /u/intellifone [link] [comments]

What determines the size of raindrops? Posted: 14 Feb 2018 09:08 AM PST submitted by /u/Bloodymike [link] [comments]

If water boils and evaporates at 100°C, then how can a lake dry up? Posted: 14 Feb 2018 06:54 AM PST Well? submitted by /u/Skanzi [link] [comments]

Why are pre-historic drawings so ugly? Posted: 15 Feb 2018 04:46 AM PST Is it because bad hand-motoric development or lack of need to draw better? Or did "painters" just die too early? submitted by /u/Dr_Vegetable [link] [comments]

How much of the sun's hydrogen will undergo fusion? Posted: 14 Feb 2018 09:53 AM PST If I've understood correctly, the sun is not entirely convective. The core, where fusion happens, largely doesn't exchange material with the rest of the sun. This would mean that only the hydrogen already inside the core will eventually undergo fusion. My question then, is this: how much of the total hydrogen in the sun will actually fuse? I.E. When the sun dies, how much of its mass will still be hydrogen? submitted by /u/ThePerpetual [link] [comments]

What does an alpha particle look like? Do the protons stay as far apart as possible or does the nucleaus take on a more compact configuration? Posted: 14 Feb 2018 11:15 AM PST Some images show the neutrons seprating the protons and some show the protons and neutrons side by side. Here are links to the two most common depictions. https://upload.wikimedia.org/wikipedia/commons/thumb/7/79/Alpha_Decay.svg/1200px-Alpha_Decay.svg.png https://education.jlab.org/glossary/alphaparticle.gif submitted by /u/leviathan088 [link] [comments]

Is there a case in which a base unit to the power of another base unit (e.g., meters^kilogram) has physical meaning? What about logarithms or roots? Posted: 14 Feb 2018 10:52 AM PST It's hard to imagine exponentiation, logs, and roots as continuous operators, but clearly they must be. Is it possible to get units this weird? And what would they mean? submitted by /u/Negative-One-Twelfth [link] [comments]

Is the outer space hotter than the average temperature on earth? Posted: 14 Feb 2018 06:07 PM PST Maybe asking some stupid thing, but i did not found anything related on google submitted by /u/TotoPacheco18 [link] [comments]

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