Chimp and Neanderthal faces grow beyond adolescence, which explains their more rugged features. Credit: AI-generated image by ChatGPT 4o. Our faces don’t just distinguish us from other people ...

The spinner enters the blood vessel through a catheter, just like existing tools. Once in place near the clot, it spins rapidly—up to 40,000 revolutions per minute. Slits and fins on the tube ...