All Stories
- Health & Medicine
A blood test for dementia may tell you if you have more than one type
AI helped researchers develop an experimental blood test that might let doctors diagnose overlapping dementias.
- Planetary Science
NASA seems to be backing away from hunting for life on Mars
Viking 1 kicked off the search for Martian life 50 years ago. Now NASA’s shifting priorities are putting the quest in limbo.
- Climate
The North Atlantic’s ‘cold blob’ may signal a major current’s decline
A cold blob of water in the North Atlantic points to a weakening of the Atlantic Meridional Overturning Circulation, researchers report.
- Health & Medicine
Why more male than female newborns may get the crucial vitamin K shot
Vitamin K lowers the risk of bleeding, including in a circumcision. That procedure may explain a disparity in which infants are more likely to get the shot.
- Space
Otherworldly music albums feature space weather data
A science-art team uses research data to make music featuring sounds of Antarctica and outer space
- Health & Medicine
A popular sunscreen ingredient can finally be sold in the United States
The FDA will allow bemotrizinol in sunscreen. The chemical is long-lasting and defends against solar radiation that ages skin.
- Chemistry
A new method could spot fentanyl variants no one has cataloged yet
Researchers used machine learning to help predict chemical signatures for over 1 billion possible fentanyls, including variants never seen before.
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Crossword: Power play
Solve the crossword from our July 2026 issue, in which we raise our solving skills to the next level.
- Physics
Here’s what would happen if you tried to break a photon in half
A mathematical model shows that attempting to sever a fundamental particle of light could conjure new ones out of thin air.
- Health & Medicine
No, mastic gum won’t reshape your jaw
Chewing gum made from mastic resin is a Greek staple that has some benefits for the mouth and gut. But it won’t change your face shape.
- Animals
Songs prep the brains of finches yet to hatch for a hot world
Adult finches make "heat calls" as the temperature rises. Exposure to the song prepares their unhatched young's brains for the heat.
- Health & Medicine
Measles has no treatments. Changing that may not be easy
Vaccination remains the priority, but some researchers are looking for drugs to fight the virus in people who don't get the shot.
