Scientific American21h
Ending NASA’s Chandra Will Cut Us Out of the High-Resolution X-Ray Universe
The Chandra X-ray Observatory is the darling of high-energy astrophysics. Famed for providing unequaled x-ray views of ...
TikTok's ‘Winter Arc' challenge helps you get ahead of your New Year goals. Here's why it's gone viral and 4 tips to get started
The latest obsession on TikTok is the “Winter Arc” challenge, which sees young people get ahead of their New Year’s ...
When is the right time to start a new habit—and actually keep it?
Forget New Year’s resolutions and other gimmicks. Experts say the best way to change your habits is to consider the so-called ...