Roughly how far apart are galaxies? |
- Roughly how far apart are galaxies?
- how bad is the light pollution caused by SpaceX's starlink satellites?
- Does reading or otherwise learning cause new brain cells to grow or new connections to form?
- In case of a death by medication overdose and alcohol, do organs remain transplantable?
- Why is the R_0 value for malaria so disputed?
- if there's high pressure at sea level but low pressure at high altitudes, is there wind between the ground and the sky?
- Is it possible to know what stage of its life is Betelgeuse at, pertaining what elements are being fused in its core?
- How do investigators determine that an individual was “killed instantly” in an accident?
- [medicine] If I break a bone and then get a small cut, does my body prioritize healing the bigger problem before the cut? And will the cut heal slower than it would have without a broken bone?
- How does the body decide that it’s time for food to move out of the body?
- Why do you initially start to feel better when you have radiation sickness?
- How many times did the Transition from water to land happen and when?
- Can ants recognize other individual ants?
| Roughly how far apart are galaxies? Posted: 30 Jan 2020 11:04 AM PST |
| how bad is the light pollution caused by SpaceX's starlink satellites? Posted: 30 Jan 2020 10:23 AM PST Many people have been complaining about all the light pollution thas is caused and will be caused by the starlink satellites of which 242 are in orbit right now (I might be wrong about the number) with thousents of more on their way. My question is how bad will the light pollution really be, would it be bad or barely observeable? [link] [comments]  |
| Does reading or otherwise learning cause new brain cells to grow or new connections to form? Posted: 30 Jan 2020 09:22 AM PST Does reading or otherwise learning cause new brain cells to grow or new connections to form? [link] [comments]  |
| In case of a death by medication overdose and alcohol, do organs remain transplantable? Posted: 30 Jan 2020 09:47 AM PST Basically title. Does it depend on the medication (e.g. sleeping pills)? [link] [comments]  |
| Why is the R_0 value for malaria so disputed? Posted: 30 Jan 2020 04:39 PM PST We were able to calculate the R_0 value for 2019-nCov within a month or two, but nih.gov states that the R_0 of malaria could be anywhere between 1 and 3000. How is this possible, since we've known about malaria for decades? [link] [comments]  |
| Posted: 30 Jan 2020 09:02 AM PST i know that wind is created because higher pressure air is moving towards the lower pressure air to "balance the pressures". but my question is, is there wind that travels upwards? because on ground the pressure is around 14 PSI, but 10,000ft in the air it's, around 10 PSI which is a fairly large difference. or does gravity sort of stop the wind going upwards (because air has weight) [link] [comments]  |
| Posted: 30 Jan 2020 06:49 AM PST As far as I know, it is very difficult to identify what's going on inside the core of a red super giant, with conventional methods. Is there any other currently available technology which could identify which elements are being fused in its core? [link] [comments]  |
| How do investigators determine that an individual was “killed instantly” in an accident? Posted: 30 Jan 2020 08:34 AM PST I often hear this stated after incidents such as traffic accidents or helicopter crashes. This is usually said in a manner that seems to be comforting for other individuals. But how do we actually know that an individual was killed instantly. An extension of this would be when it is stated that an individual passed calmly in their sleep. How can that actually be determined? [link] [comments]  |
| Posted: 30 Jan 2020 05:53 AM PST |
| How does the body decide that it’s time for food to move out of the body? Posted: 30 Jan 2020 10:38 AM PST Does the body have a fixed time, or is it based on some mechanism that signals when there's no more nutritional value left? (which I can't imagine how the body would know) [link] [comments]  |
| Why do you initially start to feel better when you have radiation sickness? Posted: 30 Jan 2020 03:29 AM PST |
| How many times did the Transition from water to land happen and when? Posted: 30 Jan 2020 02:13 AM PST When we talk about the evolutionary transition from water to land, we usually think of some lungfish giving rise to land living vertebrates, but surely that wasn't the first land living organism, right? When did Arthropods and Mollusca first walk on land? was that before vertebrates or after? When did plants and Fungi come into play? did they make the transition separately or did they evolve into existence after some ancestor made the transition? Did fungi come first or did plants come first? How did the first land based organism survive without organic material on land to feed on? An answer to my questions would really make my day. [link] [comments]  |
| Can ants recognize other individual ants? Posted: 29 Jan 2020 07:47 PM PST A quick google check seems to show that they can distinguish foes from nestmates, and they can tell what caste another ant is from, but what about recognizing specific individuals? If not, at what "level" does this ability emerge? Bees? Reptiles? Mammals? [link] [comments]  |
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