Uncategorized
- Life
Why cracking your knuckles can be so noisy
Knuckles crack due to the partial collapse of bubbles in joint fluid, a new study suggests.
- Health & Medicine
Opioids kill. Here’s how an overdose shuts down your body
Powerful opioids affect many parts of the body, but the drugs’ most deadly effects are on breathing.
- Materials Science
Live heart cells make this material shift color like a chameleon
A new material made of heart cells from rats and hydrogel changes color as the living cells contract and relax.
- Archaeology
Footprints put people on Canada’s west coast 13,000 years ago
Island tracks indicate early New World settlers traveled down the North American Pacific coast about 13,000 years ago.
