Evidence suggests that 60,000 years ago, humans possessed the mental plasticity to plan complex visual systems.

Scientists have uncovered a surprising new way that giant embryonic cells divide—without relying on the classic “purse-string” ring long thought essential for splitting a cell in two. Studying ...

Growing tissues can crack, break, and dissociate to form structures that can later withstand immense forces.

For decades, scientists believed a fertilized egg’s DNA began as a shapeless mass, only organizing itself once the embryo switched on its genes. But new research reveals that the genome is already ...