All Stories
- Archaeology
Tennessee site yields oldest known American tattoo tools
Native Americans may have used sharpened turkey leg bones as tattoo needles between 5,520 and 3,620 years ago.
- Space
Light from space has record-breaking energy
Hundreds of newly detected gamma rays hint at environments in the cosmos that accelerate particles to energy extremes.
- Animals
Engineers surprised by the power of an elephant’s trunk
An elephant's trunk can suck air through it fast — at more than 335 miles per hour (150 meters per second)!
- Animals
Let’s learn about whales and dolphins
Whales, dolphins and porpoises are all cetaceans — mammals that live in water and have a streamlined body similar to a fish.
- Health & Medicine
Will we all need COVID-19 booster shots?
Experts say not yet, but booster vaccines may be coming as new SARS-CoV-2 virus variants keep emerging.
- Earth
‘Tree farts’ make up about a fifth of greenhouse gases from ghost forests
Heat-trapping gases from dead trees play an important role in the environmental impact of “ghost” forests.
- Animals
Common parasite may help mussels survive heat waves
By whitening shells, the organism helps the shellfish stay cool on sunny days, a new study suggests.
- Tech
Sleep-friendlier lighting is on the way
Chemists have created a new glowing material for LEDs. It should lessen how much near-bedtime lighting impairs your ability to nod off.
- Tech
Mantis shrimp inspires somersaults of new soft robot
Its rolling acrobatics allow this robot to move especially swiftly — much as a fictional new Disney character can.
- Materials Science
‘Smart’ pasta morphs into fun shapes as it cooks
The trick to this shape-shifting are grooves cut into the raw pasta. Those grooves affect how the noodles swell as they cook.
- Animals
Most species of beetles pee differently than other insects
Scientists uncover their unique system for balancing ions and water. The findings may hint at why beetles are the most diverse animals on Earth.
- Space
The Milky Way’s ‘yellowballs’ are clusters of baby stars
The mysterious cosmic objects — first spotted by citizen scientists — turn out to be infant stars of various masses.
