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
The chemical that makes chili peppers so hot evolved to keep animals from eating the plants.
From electric flight to artificial noses, engineers are finding new ways to preserve our planet.
Blending innovation and culture, engineers bring a robotic Double Dutch machine to life.
Humans are born to roam. See how engineers are inventing new ways to explore and extend our range.
The moon Phobos has a mysterious origin but a certain expiration date.
Some large meteorites survive their descent through our atmosphere and land on Earth.
The ocean beneath Europa’s icy shell might be an ideal environment for life.
Hydrothermal vents in Enceladus’ ocean may hold the promise of life.
Enceladus’ small size and icy surface is no limitation to its extreme volcanism.
Martian dust devils may have helped NASA’s rovers restore power during mission.