All Stories
- Animals
Analyze This: Cows burp less methane after early-life treatment
Calves that receive the 14-week treatment belch less of the greenhouse gas, possibly due to shifts in their gut microbes.
- Genetics
Let’s learn about DNA
DNA is made of two chemical chains twisted around each other. It stores information that allows cells to grow and function.
- Brain
Scientists may have finally found how catnip repels insects
The plant deters mosquitoes and fruit flies by triggering a chemical receptor that, in some animals, senses pain and itch.
- Physics
Scientists Say: Acceleration
Acceleration is a change in velocity. That could mean a change in speed or in direction.
- Animals
Urban gardens create a buffet for bees
City gardens provide a huge amount of nectar and pollen for pollinators, making them an essential conservation tool.
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Moderna and Pfizer vaccines appear to cut coronavirus spread
The vaccines are about 90 percent effective at blocking infection, which should cut spread of the virus. And at least one vaccine works well in teens.
- Science & Society
How schools can reduce excessive discipline of their Black students
Black middle- and high-school students miss four times as much school as white children due to suspensions. What might help shrink this discipline gap?
- Planets
Signs of a hidden Planet Nine in our solar system may be an illusion
Hints of the remote planet, also called Planet X, relied on clumped up orbits of bodies beyond Neptune. A new study suggests that clumping doesn’t exist.
- Climate
Changing climate now threatens northern lakes year round
Lakes in northern climes are getting warmer, and that’s not good for people, plants or animals.
- Health & Medicine
Brown bandages would help make medicine more inclusive
Peach-colored bandages label dark-skinned patients as unusual, says med student Linda Oyesiku. Brown bandages expand who’s seen as normal.
- Physics
Scientists Say: Radiation
Radiation is the motion of energy through space as waves or particles.
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Tiny spider uses silk to lift prey 50 times its own weight
Dropping the right silk let’s a spider haul mice, lizards and other giants up off the ground.
