Uncategorized
- Health & Medicine
Even for elite athletes, the body’s metabolism has its limits
While ultramarathoners are capable of huge energy spurts, overall the athletes top out at 2.5 times the metabolic rate needed for basic body functions.
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Big questions on how food affects our health
Editor in Chief Nancy Shute explores the science behind major questions on food and health — from the addictive potential of ultraprocessed foods to the high-protein diet craze to the drawbacks of keto.
- Life
A rice weevil frozen in flight won the 2025 Nikon Small World photo contest
From fluorescent ferns to sprawling neurons, this year’s winning photos reveal the structures and artistry of life seen through a microscope.
