All Stories by Emily Sohn
- Health & Medicine
Getting Enough Sleep
Kids and teens need plenty of sleep but have trouble getting enough.
- Health & Medicine
A Sour Taste in Your Mouth
Researchers may have pinpointed how the tongue's cells detect sour tastes.
- Animals
Saving Africa’s Wild Dogs
Learning more about African painted dogs may help keep these wild animals from dying out.
- Planets
Pluto and the plutons
A new definition would raise the number of planets in the solar system from 9 to 12.
- Tech
Atomic Drive
Chemists have assembled atoms into tiny molecular cars that motor across a gold surface.
- Planets
Lakes on Titan
Saturn's giant moon Titan appears to be sprinkled with lakes of liquid methane.
- Space
Dead star exploding
Huge nuclear explosions have ripped the outer layers off a dense, nearby star.
- Animals
Ants on Stilts
Some ants appear to estimate distances by keeping track of the number of steps they take.
- Archaeology
Sahara cemetery
Archaeologists uncover the remains of a Stone Age settlement in the Sahara desert.
- Animals
Feeding School for Meerkats
Meerkats teach their young how to catch and kill prey such as scorpions and spiders.
- Climate
Hot summers, wild fires
Rising temperatures and earlier snowmelts in the western United States have intensified forest fires.
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