All Stories
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Health & MedicineBreath carries clues to gut health
At-home breath tests could reveal insights about gut health, though their ability to assess food intolerances is not yet clear.
By Meghan Rosen -
Health & MedicineSome GLP-1 drugs are more effective for those with specific gene variants
In a study, people with gene variants in two genes lost slightly more weight on GLP-1 drugs, but threw up more on Zepbound.
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MathMath long resisted a digital disruption. AI is poised to change that
The painstaking process of formalization to verify proofs is starting to surge thanks to AI. That could radically change the way people do math.
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Health & MedicineNew mutations help the H5N1 bird flu virus infect cows but not people
The findings show how the H5N1 bird flu virus is evolving in livestock and what that may mean for human health.
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LifeSmithsonian secrets most likely to blow your mind
Millions of objects stashed at a site open only to select visitors tell the history of Earth's inhabitants.
By Meghan Rosen and Stephen Voss -
Artificial IntelligenceIs AI bad for critical thinking? It depends on when you use it
Using AI later in solving tough problems boosts critical thinking and memory, a study shows, highlighting trade-offs between speed and reasoning.
By Aaron Brooks -
Health & MedicineFluoride in U.S. drinking water does not reduce IQ, a new study finds
Claims that fluoride in drinking water causes cognitive delays in kids are driving U.S. policy. A new study finds no evidence to back them.
By Elie Dolgin -
LifeTalking dogs and chatty cats could one day ‘speak’ in our language
Advances in decoding animal sounds might someday make animal translators a possibility.
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AnimalsFor gray whales, San Francisco Bay is becoming a deadly pit stop
Climate change could be forcing gray whales to seek food in San Francisco Bay, where vessel strikes may be driving rising deaths.
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SpaceArtemis II ends its historic lunar journey
After looping around the moon, the Artemis II crew — and their capsule’s heat shield — passed the mission’s final major test: coming home.
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CosmologyExploding black holes could explain an antimatter mystery
Shock waves from tiny black holes in the early universe could explain how antimatter became so rare while matter is common.
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Crossword: Traveling Light
Solve the crossword from our May 2026 issue, in which we expand the way we see the universe.
By Gus Bloxham