This video captures a monkey slowly getting sleepy. With its drooping eyes and slow movements, the scene offers a peaceful look at how animals also need rest, just like we do.

In the realm of medical advancements, a universal vaccine that can protect against any pathogen has long been a Holy Grail—and about as elusive as a mythological vessel. But Stanford Medicine ...

Alas, there are no homunculi crammed inside the smallest human cells. Yet recent research in fertility and urology suggests Hartsoeker’s image could work metaphorically: Sperm can be a proxy for the ...