There's evidence that life emerged and evolved from the water onto land, but is there any evidence of evolution happening from land back to water? |
- There's evidence that life emerged and evolved from the water onto land, but is there any evidence of evolution happening from land back to water?
- How far can electricity arc reach?
- Why do the water droplets that make up clouds, bunch together into clouds instead of being evenly distributed in the air?
- How can a relatively small river like the Virgin River cut a 2000 foot deep Canyon (Zion) while an enormous river like the Mississippi doesn't cut a canyon at all?
- What’s the difference between a food allergy and a food sensitivity?
- What is the difference between [C I], [C II] and C ?
- How does sunscreen work?
- How can we measure redshift and light from astronomical objects accurately? It seems like the atmosphere of earth or other gases in space might interfere with the light that is coming in.
- How do these geared secateurs work?
- Do insects sleep? If so, do they sleep for similar reasons as humans?
- What exactly causes spaceships to burn in the Earth's atmosphere during reentry?
- What are elliptic curves and how do they relate to cryptography?
- How many devices can I plug into an outlet?
- How did Nasa to reactivate Pioneer 6 ?
- Does salt water sting sea animals when they have wounds like it does with humans?
- Russian scientists claim frozen 42,000 year old worm came back to life. How likely is this to be true?
- Would you feel the acceleration if you were in a spaceship using a gravity assist to accelerate?
- What is all of this “antibacterial coating” stuff, and does it work?
- Do animals have food that they prefer?Do their tastebuds work the same way ours do?
- If heat rises, why does it get colder as you go higher into the atmosphere?
- Can the moon tint slightly red in the days around a lunar eclipse ?
| Posted: 27 Jul 2018 01:29 AM PDT |
| How far can electricity arc reach? Posted: 27 Jul 2018 05:00 AM PDT Does electricity's ability to arc depend more on voltage or amperage? Is there a more-or-less-correct formula to calculate how far it could arc in regular room conditions(let's say 21 degrees Celsius and 50% humidity in a regular town urban environment)? How does conductivity of a material affect the arcing and its distance? [link] [comments]  |
| Posted: 26 Jul 2018 01:35 PM PDT |
| Posted: 26 Jul 2018 01:40 PM PDT |
| What’s the difference between a food allergy and a food sensitivity? Posted: 26 Jul 2018 04:49 PM PDT |
| What is the difference between [C I], [C II] and C ? Posted: 27 Jul 2018 03:02 AM PDT |
| Posted: 27 Jul 2018 02:03 AM PDT |
| Posted: 26 Jul 2018 06:29 PM PDT How can we possibly measure redshift from other galaxies accurately? Especially when using something like a very large telescope on earth? How is the data coming in not tainted? [link] [comments]  |
| How do these geared secateurs work? Posted: 27 Jul 2018 01:49 AM PDT I have these geared secateurs, and they have a gearing mechanism which I don't understand. I expected the gears to move as the handles are squeezed, but they do not move at all (they appear to be fixed to the top/thumb handle). Are the gears affecting the power of the shearing motion, and if so how? Pic of the secateurs in question (It is possible they are not functioning correctly, but this seems to be a popular design, so I don't think this is the case.) Thanks! [link] [comments]  |
| Do insects sleep? If so, do they sleep for similar reasons as humans? Posted: 26 Jul 2018 11:42 AM PDT |
| What exactly causes spaceships to burn in the Earth's atmosphere during reentry? Posted: 26 Jul 2018 03:13 PM PDT |
| What are elliptic curves and how do they relate to cryptography? Posted: 26 Jul 2018 07:38 AM PDT |
| How many devices can I plug into an outlet? Posted: 26 Jul 2018 02:55 PM PDT Assuming I have a power strip to extend the amount of connections to as many devices as I want, and this is a standard US style outlet. I understand different devices would draw variable amounts of power, so I'll settle for all of them being the same thing (eg; 15 PS3's) [link] [comments]  |
| How did Nasa to reactivate Pioneer 6 ? Posted: 27 Jul 2018 05:13 AM PDT |
| Does salt water sting sea animals when they have wounds like it does with humans? Posted: 26 Jul 2018 09:00 AM PDT |
| Posted: 26 Jul 2018 11:26 AM PDT I didn't immediately see a peer reviewed article and the "involvement" of Princeton rather than co-sponsor makes me a little suspicious. What say you scientists? [link] [comments]  |
| Would you feel the acceleration if you were in a spaceship using a gravity assist to accelerate? Posted: 26 Jul 2018 08:04 AM PDT If you spaceship was at a constant velocity and passed near enough to Saturn, for example, to perform a gravity assist, would you feel the acceleration g's? Assuming you didn't use your engines. Edit: Thanks for settling what was quickly becoming a shit-storm over in /r/asksciencefiction: https://redd.it/922c4m [link] [comments]  |
| What is all of this “antibacterial coating” stuff, and does it work? Posted: 26 Jul 2018 12:27 PM PDT |
| Do animals have food that they prefer?Do their tastebuds work the same way ours do? Posted: 26 Jul 2018 08:09 AM PDT My dog eats pretty much anything so we have to be careful with him around, because if something falls on the floor he will eat it. I was just curious if there were foods that would be his "favorite." [link] [comments]  |
| If heat rises, why does it get colder as you go higher into the atmosphere? Posted: 26 Jul 2018 08:52 AM PDT |
| Can the moon tint slightly red in the days around a lunar eclipse ? Posted: 26 Jul 2018 09:13 AM PDT Since a few days, I noticed that the moon has had an unusual red tint. It surprises me that this happens so close to the lunar eclipse of tomorrow : is the moon partially lit by rays that passed through earth's atmosphere in the days around a lunar eclipse ? [link] [comments]  |
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