Biology questions
11 fact-checked questions — tap any to predict the answer, then read why.
- After arrival, why is a 20-minute nap usually safer than a long daytime sleep?
- Why can late-afternoon coffee at your destination sabotage first-night jet lag?
- Why can jet lag upset your stomach even after a decent sleep on the plane?
- For a 36-hour overseas trip, why might staying on home sleep hours beat forcing local time?
- Why does melatonin timing matter more than just taking a bigger dose for jet lag?
- Why does eastward jet lag feel harder to adjust to than westward jet lag?
- If your internal day runs about 24.2 hours, which travel shift gets a tiny natural assist?
- Two trips cross the same number of zones. Why does the eastbound one usually bite harder?
- Why can a seabird's salt gland beat its kidney at handling seawater?
- A gull drinks seawater but drips brine from its nostrils. Why there?
- Why do cherry blossoms appear before most leaves?