Researchers have shown that gonadotrophs, cells in the pituitary gland with a key role in puberty and reproduction, come from two different populations, with the majority produced after birth rather ...

Flowers grow stems, leaves and petals in a perfect pattern again and again. A new Cornell study shows that even in this ...

Imagine looking at thousands of scattered puzzle pieces and trying to guess what picture they create. Without any reference point, it's nearly impossible.