All Stories
- Health & Medicine
COVID-related smell loss may last years
Using a scratch-and-sniff test, researchers discovered that smell loss after COVID-19 may linger for more than two years.
- Animals
Guppies fall for a classic optical illusion. Doves, usually, do too
Comparing animals’ susceptibility to optical illusions can show how perception evolved.
- 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.
- Science & Society
Our relationship with alcohol is fraught. Ancient customs might inspire a reset
As evidence of alcohol's harms mounts, some people are testing out sobriety. Look to ancient civilizations' ways for a reset, scholars suggest.
- Health & Medicine
An estimated 54,600 young children are malnourished in Gaza
A study that screened young children in Gaza for malnutrition found that nearly 16 percent suffered from wasting in August 2025.
- Climate
As wildfires worsen, science can help communities avoid destruction
Blazes sparked in wild lands are devastating communities worldwide. The only way to protect them, researchers say, is to re-engineer them.
- Paleontology
These ancient bumblebees were found with their pollen source
Insects have long pollinated plants, but evidence of ancient pairing is rare. Fossils now show bees and linden trees goes back 24 million years.
- Archaeology
Fossil hand bones point to tool use outside the Homo lineage
The fossil wrist and thumb bones suggest Paranthropus boisei could grasp tools around 1.5 million years ago.
- Life
We all have a (very tiny) glow of light, no movie magic needed
Normal cellular processes in living things — from germinating plants to our own cells — create biophotons, though escaping light isn’t visible to us.
- Animals
The viral Chicago ‘Rat Hole’ almost certainly wasn’t made by a rat
Researchers used methods from paleontology to analyze the quirky local landmark, created when a rodent of a certain size fell into wet concrete.
