Episodes
Trace human development from embryo to newborn through stunning microimagery.
Combining the laws of the universe in one theory that explains it all is the Holy Grail
Do miniscule vibrating strands of energy hold the key to a unified theory of physics?
Will experimental particle physics confirm the wild predictions of string theory?
The story of how African-American Percy Julian defied the odds to become a famous chemist.
We are on the verge of answering one of the greatest questions in history: Are we alone?
It defines our lives, but what is time really? Have a look into its true nature.
Take a wild ride into the quantum realm, where even the impossible seems possible.
Is our universe unique, or could it be just one in an endless "multiverse"?
Australia’s landscape holds clues to Earth's early history and the beginning of life.
Fossils reveal how life’s explosion in the ocean was recreated on dry land.
Extras
Follow Homo sapiens as they venture out of Africa and spread farther than any other human species.
Trace the remarkable origin story of Homo sapiens and the crucial moments that shaped our species.
A massive earthquake along the Cascadia Subduction Zone could sink parts of the Pacific Northwest.
Crows remembered the face of a person they considered a threat—even across generations.
Otzi, a 5,000-year-old mummy, has 61 tattoos arranged in 19 groups across his body.
The faster you move, the stranger time becomes.
In 1912, Albert Einstein had a revolutionary idea.
Fósiles gigantes en el Sahara revelan nuevos secretos sobre la evolución de las ballenas.
They paid only $27.50 for it from a London bookseller in 1946.
Could these bones be the last remains of a legendary Viking army?