Uncategorized
- Health & Medicine
Scientists Say: Symptom
A runny nose, fever or feeling of fatigue might clue your doctor in to the right diagnosis.
- Animals
As toddlers, chimps are major risk takers
Human kiddos are generally too closely supervised to be able to monkey around as much as young chimps. Instead, older kids — teens — are usually the bigger risk takers.
- Environment
Antarctica faces a green and weedy future
Warming is allowing alien species to invade a land that had been isolated for 30 million years. They now threaten local ecosystems unique to Antarctica.
- Tech
New light-activated coating can kill stubborn germs
Based on graphene, this new material can knock out hard-to-kill germs on contact — even in your mouth.
- Physics
Let’s learn how to make a sports ball soar
A ball’s shape and spin both affect how it flies through the air.
- Plants
Scientists Say: Pollination
Plants call upon wind, water or helpful animals to carry out this crucial step of their life cycle.
- Fossils
Prehistoric ‘sea’ monster also lurked in rivers, data show
A 66-million-year-old fossil tooth turned up alongside remains of a T. rex and ancient crocodile. This shows some mosasaurs roamed into rivers.
- Archaeology
Neandertals used fire-making tools 400,000 years ago
Flint, iron pyrite and fire residues found at an ancient site in England offer the earliest clear evidence of people lighting fires.
- Math
Ever wonder where our math symbols came from? Here are their stories
Their quirky history could help us better appreciate math as a living language — one whose symbols evolved over centuries.
- Humans
Using physics can help athletes avoid sports injuries
Jessica Talmage uses physics to help understand how the body moves. Her findings help athletes avoid sports injuries and improve their performance.
- Health & Medicine
New study links early smartphone ownership to health risks
The earlier kids get smartphones, the more likely they’ll get too little sleep, gain weight — and possibly develop depression, a new study suggests.
- Planets
Listen to the crackle of ‘mini-lightning’ on Mars
Scientists suspected Mars had these zaps but had never detected them — until now. NASA’s Perseverance rover recorded them generated by dusty gusts.
