What exactly are the invisible things out there, and how did they help form the universe as we know it? To explore and understand the most spectacular structures out there, scientists have been using cosmic shear to indirectly detect...

SciShow Space shares the latest news from around the universe, including the first observation of a star-within-a-star, and the debut image from the newest telescope to be enlisted in the hunt for alien worlds.

John Green Bot wrote his first novel! Today, in our first ever Lab we’re going to program a neural network to recognize handwritten letters to convert the first part of John Green Bot’s novel into typed text. To do this we’re going to...

The first step to world peace is for people to meet each other. We can't all travel the world at the same time, but we can meet each other in other ways. In this talk, Jehane Noujaim unveils her 2006 TED Prize wish: to bring the world...

Some people don’t have or use visual imagination, or the “mind’s eye.” Many with this condition, called aphantasia, might not even realize that they’re experiencing the world differently, but this difference offers a new window into how...

Artist Sarah Sze takes us on a kaleidoscopic journey through her work: immersive installations as tall as buildings, splashed across walls, orbiting through galleries -- blurring the lines between time, memory and space. Explore how we...

"Life comes at us very quickly, and what we need to do is take that amorphous flow of experience and somehow extract meaning from it." In this funny, enlightening talk, educational psychologist Peter Doolittle details the importance --...

Today we're going to talk big picture about what Neural Networks are and how they work. Neural Networks, which are computer models that act like neurons in the human brain, are really popular right now - they're being used in everything...

What does a disgusting image have to do with how you vote? Equipped with surveys and experiments, psychologist David Pizarro demonstrates a correlation between your sensitivity to disgusting cues -- a photo of feces, an unpleasant odor...

Two murders sat unexplained and unsolved -- until reporter Paul Lewis starting talking to bystanders who had evidence on their mobile phones. Step by step, Lewis pieced together their evidence and their stories to find justice for the...

Digital archaeologist Chance Coughenour is using pictures -- your pictures -- to reclaim antiquities that have been lost to conflict and disaster. After crowdsourcing photographs of destroyed monuments, museums and artifacts, Coughenour...

Hank describes some scientific advances in the field of mind reading.

As technology becomes more complex, it's easier for things to go wrong.

This week, some rather confusing news from the Moon, and details about how ordinary folks like you helped classify 2 million celestial objects in just five days!

To study a system as complex as the entire universe, astrophysicists need to be experts at extracting simple solutions from large data sets. What else could they do with this expertise? In an interdisciplinary talk, TED Fellow and...

The dark side of the moon is full of mystery, and according to some, evil robots, but, in 1959 Luna 3 was able to shed some light on it for the first time.

As an expert on cutting-edge digital displays, Mary Lou Jepsen studies how to show our most creative ideas on screens. And as a brain surgery patient herself, she is driven to know more about the neural activity that underlies invention,...

What happens when we teach a computer how to learn? Technologist Jeremy Howard shares some surprising new developments in the fast-moving field of deep learning, a technique that can give computers the ability to learn Chinese, or to...

For the first time ever we have visual confirmation that black holes actually exist and we got it with a telescope the size of our planet.

Everyone is watching the sky during a solar eclipse, but but if you look down, you'll catch another kind of light show.

As manager of the Rosetta mission, Fred Jansen was responsible for the successful 2014 landing of a probe on the comet known as 67P/Churyumov-Gerasimenko. In this fascinating and funny talk, Jansen reveals some of the intricate...

Trigger warnings are a relatively new (and divisive) concept, but do they really help?

With her gorgeous, haunting photographs, artist uldus Bakhtiozina documents dreams, working with daily life as she imagines it could be. She creates everything in her work by hand -- from costumes to stages -- without digital...

How often do you see the true beauty of the night sky? TED Fellow Lucianne Walkowicz shows how light pollution is ruining the extraordinary -- and often ignored -- experience of seeing directly into space.