Fotokite is a drone-on-a-string. The unmanned aerial vehicle can be guided simply by the tug of a string. Inventor Sergei Lupashin explains how it works.
Need a new reason to get up in the morning? Enrich your life by finding and developing your next passion, with tips from psychology researcher Angela Duckworth.
Why do humans often want to create a world of “us” vs. “them”? And what can we do about this unhelpful, often damaging, yet somehow reassuring instinct? Psychologist Robert Waldinger has some useful advice.
Friends are important for children's and teens' development, but not all friends are good. What you can do if you suspect your child has toxic friendships.