Traces of poison on the South African arrowheads hint that people used poisoned weapons 50,000 years earlier than previously thought.
Excessive scrolling through social media or viral videos can mess with your mental health — and possibly alter your brain’s development, studies show.
This checklist can help you assess and improve your experiences — and your mental health.
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.
This model was built by a teenager with juvenile idiopathic arthritis — a poorly understood chronic illness.
The brain undergoes “rewiring” throughout adolescence and doesn’t reach its adult architecture until our early 30s, suggests a new study.
A runny nose, fever or feeling of fatigue might clue your doctor in to the right diagnosis.
Based on graphene, this new material can knock out hard-to-kill germs on contact — even in your mouth.
Flint, iron pyrite and fire residues found at an ancient site in England offer the earliest clear evidence of people lighting fires.
