2016 / 59
Physicist Jim Al-Khalili explores the science behind the origins of our universe and new insights that hint at the surprising ways it could end. Everything that has a beginning also has an end. Universes are no exception -- including the one we live in right now.
2012 / 20
Featuring local voices that reverberate globally, these talks celebrate the best of TEDx and its mantra of "ideas worth spreading."
2014 / 43
Astrophysicist Neil deGrasse Tyson presents new revelations about time and space in this reboot of the original "Cosmos" documentary series. Humans are a tiny blip in time, but we can tour billions of years with his knowledge -- and some special effects.
2013 / 52
Archaeologists, engineers, woodworkers and horse trainers team up to construct and test two exact replicas of royal Egyptian chariots. Tricked-out rides seem like a modern fad, but these ancient war machines were truly revolutionary.
2013 / 52
In October 2012, Superstorm Sandy cut a path of devastation across the Caribbean and the East Coast of the United States, killing hundreds and causing tens of billions of dollars in damage. What can we do to prepare ourselves for the next Sandy? Hurricane Sandy proved that Mother Nature has a vicious temper. How will we deal with her next tantrum?
2013 / 52
Nova delves into the minds of notorious mass murderers in a quest to discover what drives someone to commit such atrocious crimes. Their crimes are unthinkable. Pure evil's hard to analyze, but it's worth trying to find out what makes a madman tick.
2016 / 53
Its surface is only part of Earth's story, as this show illustrates by delving beneath the visible to uncover Earth's hidden power, bounty and beauty.
2006 / 4.3 / 49
This landmark series transports nature lovers from the Himalayan Mountains to the depths of the ocean and everywhere in between. Pole to pole, ocean to jungle, predator to prey. See Mother Nature's most breathtaking creations at work.
2011 / 49
Insiders including Apple co-founder Steve Wozniak tell extraordinary stories of the rise, fall and rise again of Apple with Steve Jobs at its helm. The Apple creator was shaped by counterculture values. He believed he could change the world -- with technology.
2011 / 3.6 / 5
Astounding artists, photographers and illusionists enchant the audience with these TEDTalks that boggle the mind and stir the heart. Artists. Photographers. Illusionists. Amazing talks dive deep into creativity, artistic expression and perception.
2011 / 3.9 / 18
What goes on in your head? Delve into these discussions on brain development and function, including emotions, sensations, memory and illusions.
2011 / 3.7 / 18
Sharing their ingenious work, architectural experts from across the globe reflect on historical spaces and the future of building design. Architecture from the old to the new. Now it's on to the future. Can beauty, function and sustainability co-exist?
2012 / 3.7 / 15
Has social media made us more connected or ended intimacy? TED speakers stake out positions on the societal aspects of the Internet revolution.
2014 / 2.5 / 22
TED presents heated debates between controversial figures as they take the stage to make a stand on key issues that society faces around the world.
2011 / 2.5 / 13
Derek Sivers uses footage of a music festival to demonstrate how a movement doesn't really start until followers show the courage to join the leader. Be the first to follow the leader, and you'll become one. Stepping out of your comfort zone is pretty underrated.
2011 / 3.9 / 13
Present-day Da Vincis share their radical innovations, from a thought-controlled computer to a lab that grows human organs. Image recognition, thought-reading PCs. When you hear these inventors, your head won't just turn -- it'll spin.
2011 / 3.9 / 17
Brilliant minds give clues about ancient celestial life forms, future spacecraft and the universe's most peculiar places. Go where no TEDTalk has gone before! Explore the mysteries of the universe, from black holes to inklings of alien life.
2013 / 3.5 / 19
TED speakers explore provocative ideas around the age-old concept of trust: Who do we trust, and why? How can we use trust to empower and inspire? Love all, trust a few, do wrong to none. If only it were that simple. Same old ideas ... dazzling new world.
2002 / 3.8 / 29
Nigel Marven travels to a time when monstrous creatures ruled the earth. In South America, he encounters the largest dinosaur that ever lived. Travel far enough back in time and you'll feel as small as a mouse. Welcome to the bottom of the food chain.
2000 / 3.9 / 29
When a complete fossil skeleton of an allosaurus -- a huge Jurassic carnivore -- was found in Wyoming, his bones told the story of a life of hardship. He was only a teenager millions of years ago, but he could run, hunt and bite with the best of 'em!
2002 / 3.9 / 29
Nigel Marven's search for the owner of a giant claw yields a series of vital and surprising clues -- and, eventually, a face-to-face encounter. The largest claw in the animal kingdom. What would you do to uncover the beast it belongs to? Anything? Good ...