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
Here are three moves in breaking, the newest Olympic sport, that appear to defy the laws of physics.
Can scientists identify the man buried inside a mysterious coffin found under Notre Dame?
Follow the race to build a world-class airport on the site of one of America’s busiest flying hubs.
Atomic clocks use quantum physics and the resonant frequency of atoms, like cesium, to define time.
Quantum entanglement defies our everyday understanding of reality.
Competitive eaters stretch their stomachs beyond limits. Here’s what happens inside their bodies.
The chemical that makes chili peppers so hot evolved to keep animals from eating the plants.
It’s not all in your head - flights really are bumpier these days.
Follow the quest to recover DNA millions of years old for the very first time.