Ben
  • Member for 9 years
  • Last seen more than 1 year ago
  • United Kingdom
3 answers
13 votes
15k views
Why does having cold hands hurt?
Accepted answer
11 votes

For question 1 it's just a biochemical response from thermoreceptor nerves in the skin, temperatures that are likely to cause lasting damage from prolonged exposure cause a neurological response - in ...

View answer
1 answers
21 votes
996 views
Why do we feel tired if we sleep excessively?
Accepted answer
8 votes

Studies have proven somewhat the opposite of what you're asking For example a study from 2004 - "The impact of extended sleep on daytime alertness, vigilance, and mood" found that, Average daily ...

View answer
1 answers
9 votes
930 views
How was the first ribosome theorized to have been made?
Accepted answer
7 votes

An interesting take on this question is addressed in Bokov and Steinberg's hypothesis. They have proposed the ribosome has evolved from a short length (~110bp) of RNA that did not have the ...

View answer
1 answers
4 votes
3k views
Why seeds won't sprout given excess water?
5 votes

You've stated in your question that oxygen was sufficient for germination, but if there's too much water this probably isn't the case. It's likely given excess water seeds will drown- that is they ...

View answer
5 answers
5 votes
7k views
What is the evolutionary rationale for palm sweating?
4 votes

There isn't necessarily a nice neat evolutionary rationale or advantage behind all of the observable traits found in all organisms. It's perhaps more likely that there simply was not enough ...

View answer
2 answers
0 votes
295 views
How might one determine if bacteria are nitrogen fixing or not?
Accepted answer
2 votes

Never mind found the answer myself you can use the acetylene reduction assay.

View answer
2 answers
2 votes
221 views
Are humans still competing in the same way now that the first life forms did?
0 votes

Your question is a little vague, but if I understand it correctly yes. The crux of evolution is that in essence the resources we need to survive and reproduce are in lower supply than necessary for ...

View answer