Harvard Expert Challenges ‘8 Hours’ Sleep Rule, Suggesting 7 is Optimal
A Harvard professor calls the eight-hour sleep rule ‘Industrial Era nonsense,’ arguing seven hours is optimal for healthy adults. Learn the science behind optimal rest.
Evolutionary Biology
Amazon Snakes Caught Wiping Potent Toxins Off Poison Frogs Before Eating
Researchers observe Amazon puffing snakes wiping potent toxins off poison dart frogs for up to 45 minutes before consumption. Learn about this unique behavioral adaptation.