All Questions
3 questions
7
votes
3
answers
2k
views
An animal that puts its prey to sleep
Hunting is dangerous; even for the predator, hunting can result in death. There have been countless example where a predator was killed by what was supposed to be prey. Animals have evolved many ways ...
- 56.3k
15
votes
10
answers
12k
views
What if our planet had only daytime?
What if our planet was always lit so that there would be no nighttime? Assume that the scenario is like this, where A is the planet and B and ABb are the stars. And they are all aligned so that it ...
- 275
15
votes
6
answers
2k
views
Can a sapient species evolve that needs little or no sleep?
Humans sleep more then nearly any other creature (true sleep, not low-activity like cats and sloths), and are some of the only true sapient species on earth. Many other intelligent, or nearly sapient,...
- 33.9k