All Stories
- Health & Medicine
The blood holds clues to understanding long COVID
A growing cadre of labs are sketching out some of the molecular and cellular characters at play in long COVID, a once-seemingly inscrutable disease.
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Here comes the sun, the eclipsed version
Editor in Chief Nancy Shute muses on the total solar eclipse that will cross North America in April 2024.
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- Health & Medicine
Here’s why pain might last after persistent urinary tract infections
Experiments in mice reveal that the immune response to a UTI spurs nerve growth in the bladder and lowers the pain threshold.
- Planetary Science
The desert planet in ‘Dune’ is plausible, according to science
Humans could live on the fictional planet Arrakis from Dune but (thankfully) no giant sandworms would menace them.
- Animals
Giant tortoise migration in the Galápagos may be stymied by invasive trees
An invasion of Spanish cedar trees on Santa Cruz Island may block the seasonal migration routes of the island's giant tortoise population.
- Health & Medicine
More than 1 billion people worldwide are now estimated to have obesity
A new analysis suggests that the prevalence of obesity has doubled in women, tripled in men and quadrupled in children and adolescents from 1990 to 2022.
- Climate
Waterlogged soils can give hurricanes new life after they arrive on land
New studies show that the long-hypothesized “brown ocean effect” is real, helping to refuel 2018’s Hurricane Florence and other storms after landfall.
- Planetary Science
Odysseus’ historic moon mission comes to an end
Odysseus downloaded data from all payloads before going to sleep February 28. The cold lunar night proved fatal to efforts to reawaken the lunar lander.
- Genetics
A genetic parasite may explain why humans and other apes lack tails
Around 25 million years ago, a stretch of DNA inserted itself into an ancestral ape’s genome, an event that might have taken our tails away.
- Artificial Intelligence
Why large language models aren’t headed toward humanlike understanding
Unlike people, today's generative AI isn’t good at learning concepts that it can apply to new situations.
- Animals
The Brazilian flea toad may be the world’s smallest vertebrate
Brazilian flea toads are neither a flea nor a toad, but they are almost flea-sized. The frogs are small enough to fit on a pinkie fingernail.
