Season 47

Video thumbnail: NOVA Cuba's Cancer Hope

NOVA

Cuba's Cancer Hope

Can Cuba's innovative lung cancer vaccines give new hope to patients across the world?

Cuba's Cancer Hope

Video thumbnail: NOVA Mysteries of SleepPassport

NOVA

Mysteries of Sleep

Why do we sleep? And what does sleep have to do with memory, trauma, and our emotions?

Mysteries of Sleep

Video thumbnail: NOVA Cat TalesPassport

NOVA

Cat Tales

Goddess, demon, house pet? What does science say about the human relationship with cats?

Cat Tales

Video thumbnail: NOVA Dog TalesPassport

NOVA

Dog Tales

Follow the epic journey of dog domestication and see what science says about dogs’ love.

Dog Tales

Video thumbnail: NOVA Polar Extremes

NOVA

Polar Extremes

Paleontologist Kirk Johnson explores the dynamic history—and future—of ice at the poles.

Polar Extremes