Humans
- Archaeology
Ancient pottery shows the earliest evidence of humans doing math
The numbers of petals painted on 8,000-year-old pottery showed a distinct numerical pattern.
- Archaeology
60,000-year-old poison arrowheads show early humans’ hunting tactics
Traces of poison on the South African arrowheads hint that people used poisoned weapons 50,000 years earlier than previously thought.
- Health & Medicine
Got brain rot?
Excessive scrolling through social media or viral videos can mess with your mental health — and possibly alter your brain’s development, studies show.
- Science & Society
Stressed by tech? Here’s how to find help
This checklist can help you assess and improve your experiences — and your mental health.
- Science & Society
Large numbers of underage kids are on social media, study finds
Two in every three kids aged 8 to 12 have already been on social media, and one-tenth have been bullied there. Some kids report other bad experiences too.
- Health & Medicine
A new cell model could help kids and teens with arthritis
This model was built by a teenager with juvenile idiopathic arthritis — a poorly understood chronic illness.
- Brain
Adolescence appears to last far longer than once thought
The brain undergoes “rewiring” throughout adolescence and doesn’t reach its adult architecture until our early 30s, suggests a new study.
- Health & Medicine
Scientists Say: Symptom
A runny nose, fever or feeling of fatigue might clue your doctor in to the right diagnosis.
- 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.
- 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.
- 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.
