NOVA
Can Birds Recognize Faces?
Crows remembered the face of a person they considered a threat—even across generations.
Latest in
NOVA
Sponsorship
NOVA
Why Does This Mummy Have So Many Tattoos?
Otzi, a 5,000-year-old mummy, has 61 tattoos arranged in 19 groups across his body.
NOVA
Einstein’s thought experiment that transformed physics
The faster you move, the stranger time becomes.
NOVA
How Einstein changed the way we understand gravity
In 1912, Albert Einstein had a revolutionary idea.
NOVA
When Whales Could Walk (Español)
Fósiles gigantes en el Sahara revelan nuevos secretos sobre la evolución de las ballenas.