Topic
Survival
2 questions tagged Survival — spanning every one of the seven Ws.
how
How long can a human survive without water?
A human can typically survive 3–5 days without water under normal conditions. The brain is 75% water, and just 2% dehydration impairs cognitive function. Temperature and exertion shorten this dramatically.
Human BodyScienceSurvival
why
Why do some insects enter diapause instead of staying active all year?
Diapause is a controlled dormant state that helps insects survive cold, drought, or food scarcity. It is a survival strategy, not just sleep.
InsectsSurvival