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
Every now and then the sun hurls a piece of itself into the solar system.
A total solar eclipse is coming. If you want to check it out, you need eye protection.
The oldest DNA ever recovered revealed an ecosystem unlike anything that exists today.
Sometime between now and September a star will explode.
Dark Energy was first discovered in 1998, and scientists don’t fully understand it.
The Eiffel Tower was a completely novel design at the time it was built.