Do other Great apes pee holding their penises with their hands or is that just humans? |
- Do other Great apes pee holding their penises with their hands or is that just humans?
- How does a fish know what kind of fish it is?
- Has home field advantage in sports ever been scientifically isolated/quantified?
- How will/are human bodies adapt(ing) to increased body fat if obesity continues through many generations?
- Why do citrus fruits have dimples?
- How do bugs actually stick themselves and walk on walls and ceilings, y'know, like Spider-Man?
- If we only started keeping temperature records in 1880, how do scientists know the world wasn't hotter before? How can they say so certainly the world is getting hotter and the ocean increasing?
- Why do mosquito bites itch?
- If you are dehydrated, what part of your body will you start to deteriorate first?
- How can 2x 1.5V batteries generate 4,000V of electricity?
- How have we discovered that water used to exist on other planets and their satellites?
- Why can only non-accelerating reference frames be considered "stationary?"
- [Quantum Physics] Light being unable to escape a black hole?
- What is the chemical process of something "drying"? Wet clothes drying, spackle drying, paint drying...
- Ringworld Paradox (theoretical limit to size and rotation?)
- Is all of a person’s dna in every cell?
- What is the amplitude of a light packet represent?
- Are Natural Disasters and Global Warming related?
- Why is it that climate scientists say that the global warming is irreversible?
- What does "collision" mean with respect to uncharged particles?
- Can we say that Young's Modulus of a material is equal to the Pressure required to deform a sheet of that material? I ask this because the dimensions of YM and pressure are the same.
- Is it possible to estimate cooking time knowing three simple factors?
- What affect does cloud seeding have on climate change?
- Why do doctors prescribe antibiotics for viral infections (eg colds)?
| Do other Great apes pee holding their penises with their hands or is that just humans? Posted: 08 Jul 2019 05:21 AM PDT |
| How does a fish know what kind of fish it is? Posted: 07 Jul 2019 09:17 AM PDT How does a sardine know to swim with other sardines and not pilchards, and tuna etc. [link] [comments]  |
| Has home field advantage in sports ever been scientifically isolated/quantified? Posted: 08 Jul 2019 07:04 AM PDT I was wondering if there have been any scientific studies to identify/quantify what exactly causes home field advantage in sports. Some sports, like baseball, have some built in advantages for the home team in the rules -- like batting last (you can play for exactly how many runs you need in the ninth) or tailoring/training your team to take advantage of the unique shape/dimensions of your home ballpark. Other sports, like basketball don't seem to have any advantage built in. There are no rules built in to help the home team and all courts/hoops/balls should be nearly identical. Yet, all sports have a distinct home field advantage -- teams win more often at home than they do on the road and often have better metrics in other stats as well. I'm assuming professional athletes aren't consciously trying harder at home than they do on the road, so the answer must be some combination of favorable game official treatment or subconscious performance enhancement/detraction due to (broadly) travel fatigue, fan noise/participation, or pride. I'm assuming most of the above can be isolated and measured, so is there any scientific studies that have been done to that effect? [link] [comments]  |
| Posted: 07 Jul 2019 09:34 AM PDT Is there any evidence of human bodies adapting to obesity? If it is true that you can be genetically obese then are those humans better adapted for this? Would the human body be more likely to adapt to automatically store less fat, or to strengthen its organs/structure to be able to cope more easily with increased body fat? [link] [comments]  |
| Why do citrus fruits have dimples? Posted: 08 Jul 2019 05:16 AM PDT I understand the small dimples on eggs are for gas exchange, but why do citrus fruits like oranges and lemons have them? [link] [comments]  |
| How do bugs actually stick themselves and walk on walls and ceilings, y'know, like Spider-Man? Posted: 07 Jul 2019 05:18 PM PDT |
| Posted: 07 Jul 2019 02:05 PM PDT |
| Posted: 08 Jul 2019 06:43 AM PDT Do we know why humans and/or mosquitos evolved for their bites to cause itching? It seems like the mosquitos would benefit from it not doing so, so that people don't try to swat them, and for humans it doesn't seem to make a difference, since once they've already been bitten any disease carried would already be transmitted. [link] [comments]  |
| If you are dehydrated, what part of your body will you start to deteriorate first? Posted: 07 Jul 2019 02:13 PM PDT |
| How can 2x 1.5V batteries generate 4,000V of electricity? Posted: 08 Jul 2019 05:48 AM PDT Hi! Maybe a silly question, but there's something I can't wrap my head around. Just came across a bug-zapping device called a "Bug Warrior Supreme." Essentially a glorified bug-zapper in the shape of a tennis racket. They advertise as having "4,000V of pure bug zapping power," but I don't understand how that's possible with 2x 1.5V C cell batteries. Don't they only have a maximum output of 3V (1.5+1.5)? How can the 2 batteries deliver 4,000V?! Thank you all in advance :) [link] [comments]  |
| How have we discovered that water used to exist on other planets and their satellites? Posted: 08 Jul 2019 05:09 AM PDT |
| Why can only non-accelerating reference frames be considered "stationary?" Posted: 07 Jul 2019 02:02 PM PDT When I'm falling why can't I say I'm standing still and earth is accelerating towards me? If I'm driving at a constant speed towards a city I can say I'm standing still and the city's approaching me. Thanks :D [link] [comments]  |
| [Quantum Physics] Light being unable to escape a black hole? Posted: 08 Jul 2019 04:11 AM PDT Hello all, Perhaps I've mis-remembered something but - The way wave-particle duality works with light is that - it will remain in wave form, traveling a the speed of light (without mass) and the waveform will collapse upon 'observation'. This to me means one of the following things: A: Our observation of event horizon of a black hole causes the waveform to collapse and particles to be absorbed B: Black hole can pull waves into itself C: Black holes 'pull' speed is so fast that technically the light red-shifts until it goes out of visible spectrum - without covering any of the distance due to moving opposite the black holes pull. I don't know if any of the above are correct... Would someone be able to mildly clarify this for me? Purpose of this question: I thought that massless 'entities' were unaffected by gravitational pull? Thank you! [link] [comments]  |
| Posted: 08 Jul 2019 03:42 AM PDT |
| Ringworld Paradox (theoretical limit to size and rotation?) Posted: 08 Jul 2019 03:03 AM PDT Is there a theoretical limit to the size of an object and how fast it can spin? For example, could a star with a radius of 50,000km complete 1 revolution per second? The outer edge would need to be moving just faster than the speed of light. Why would or wouldn't this be possible? [link] [comments]  |
| Is all of a person’s dna in every cell? Posted: 07 Jul 2019 11:23 AM PDT Ie in all cells is the complete set of chromosomes in the nucleus even if the cell's function is not being used by more than a tiny part of dna. [link] [comments]  |
| What is the amplitude of a light packet represent? Posted: 07 Jul 2019 10:35 PM PDT So if we have a wave packet of light, one photon. It has a momentum, speed, energy all defined by its frequency/wavelength, and universal constants. But what does the amplitude of the wave represent? [link] [comments]  |
| Are Natural Disasters and Global Warming related? Posted: 07 Jul 2019 02:27 PM PDT Recently I've seen an increase in natural disasters from earthquakes to tornados and I was just wondering if it has anything to the increase of Global Warming and Ozone layer depletion. [link] [comments]  |
| Why is it that climate scientists say that the global warming is irreversible? Posted: 08 Jul 2019 01:35 AM PDT Back in school I learned that warm climate periods where followed by ice ages because due to the warmer weather there would be more evaporation of water on earth leading to more clouds which causes that less sunlight reaches the earth. Why does this Not apply for man made climate change? [link] [comments]  |
| What does "collision" mean with respect to uncharged particles? Posted: 07 Jul 2019 11:27 AM PDT Consider two neutrons unlucky enough to enter the same space at the same time--perhaps they are called "free neutrons". Can they literally bounce off one another in the billiard-ball sense? Do they touch at one single point (as two ideal spheres would)? Does the surface flatten a bit and spring back? Is the Strong Force "at" their surfaces interacting between them so as to repel them from each other without touching? Or, as a matter of fact, does physical contact even apply to entities in the nano realm, where quantum effects dominate? [link] [comments]  |
| Posted: 08 Jul 2019 12:21 AM PDT |
| Is it possible to estimate cooking time knowing three simple factors? Posted: 08 Jul 2019 12:00 AM PDT Weight of the item, current temperature of the item, and set temperature of the oven? Or are other variables necessary to more precisely estimate the time to transfer the heat? [link] [comments]  |
| What affect does cloud seeding have on climate change? Posted: 07 Jul 2019 08:09 PM PDT If we add particles to a pregnant system to make it rain over an area in Colorado, does Iowa get less rain and as a result cause a drought for further eastern states? Do our climate change models account for human weather manipulation and the butterfly effect? [link] [comments]  |
| Why do doctors prescribe antibiotics for viral infections (eg colds)? Posted: 07 Jul 2019 08:15 AM PDT I have read this is common in the US, with a high proportion of AB prescriptions for viral infections, like a cold. I was taught in school that ABs do nothing to viruses, so why do doctors give them out? Is it to placate the patient? What impact does this have on AB resistance? [link] [comments]  |
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