A 2025 study with causal evidence found that greeting or thanking a stranger boosts happiness, and works best when close relationships feel distant.
Index funds are touted as one of the safest ways to invest. Rather than picking and choosing individual stocks, index funds let you bet on the market as a whole. So what happens when a company like SpaceX – a giant gamble, and, in my opinion, terribly overpriced – is fast-tracked into the Nasdaq-100? Does […]
The latest estimates reveal that the majority of greenhouse gas emissions from large-scale events such as the FIFA World Cup stem from spectators traveling to host cities.
A recent study suggests that not getting enough sleep increases the risk of weight gain, and thus of conditions like heart disease and type 2 diabetes.
Pets should never be left alone in a parked vehicle — even in the shade with the windows cracked, or idling with the air conditioner on — to avoid tragedy.
Biologists say a genetic quirk on the X chromosome may give some women a fourth color channel — but does that really mean 100 million extra colors?
Biologists say a genetic quirk on the X chromosome may give some women a fourth color channel — but does that really mean 100 million extra colors?
A major Science review of nearly 35,000 elite performers found early specialization often backfires, and slow, varied growth wins in the long run.
Four-minute miles are almost routine. Middle schoolers are beating college runners. Inside the youth track boom that’s turning kids and teens into speed machines.
Bright noctilucent clouds are glowing across northern skies. Here’s what creates these rare space clouds and how to see them from the northern U.S.