NOVA
Human Nature Preview
We can now edit the human genome with a tool called CRISPR. But how far should we go?
Latest in
NOVA
Sponsorship
NOVA
Mysteries of Sleep Preview
Why do we sleep? And what does sleep have to do with memory, trauma, and our emotions?
NOVA
Cat Tales Preview
Goddess, demon, house pet? What does science say about the human relationship with cats?
NOVA
Dog Tales Preview
Follow the epic journey of dog domestication and see what science says about dogs’ love.
NOVA
Polar Extremes Preview
Paleontologist Kirk Johnson explores the dynamic history—and future—of ice at the poles.