Erik Johansson creates realistic photos of impossible scenes -- capturing ideas, not moments. In this witty how-to, the Photoshop wizard describes the principles he uses to make these fantastical scenarios come to life, while keeping...

Rosalind Franklin was a British scientist who helped discover the structure of DNA, but you most likely haven't heard of her. Hank will attempt to fix this gap in your knowledge on today's SciShow: Great Minds.

A new study reports what might be the oldest fossil animals ever found. And we're also learning more about what role the hippocampus plays in certain types of visual memory.

As political turmoil in Yemen continues, the editor of the Yemen Times, Nadia Al-Sakkaf, talks at TEDGlobal with host Pat Mitchell. Al-Sakkaf's independent, English-language paper is vital for sharing news -- and for sharing a new vision...

The earliest time measurements were observations of cycles of the natural world, using patterns of changes from day to night and season to season to build calendars. More precise time-keeping eventually came along to put time in more...

Watching a kitten fumbling around, it might feel as if you've never encountered anything so devastatingly adorable in your mortal life. You may want to pet its soft fur and kiss its tiny head. But you may also feel the conflicting...

Today we’re going to talk about how computers see. We’ve long known that our digital cameras and smartphones can take incredibly detailed images, but taking pictures is not quite the same thing. For the past half-century, computer...

In a 1990's study, participants recalled getting lost in a shopping mall as children. Some shared these memories in vivid detail, but there was one problem: none of these people had actually gotten lost in a mall. They produced these...

We've found thousands of exoplanets over the years, but if we're going to find one that can sustain life, we need to take a look at the one planet we know that can, Earth.

Photographs do more than document history -- they make it. At TED University, Jonathan Klein of Getty Images shows some of the most iconic, and talks about what happens when a generation sees an image so powerful it can't look away -- or...

* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. Our fingerprints are what make us unique -- but they're also home to a world of information hidden in molecules...

The Hubble Space Telescope has been sending home images of the universe for more than thirty years, but none of its work would have been possible without the many servicing missions that kept it up to date.

Since it launched in 1990, the Hubble Space Telescope has snapped more than a million images and changed the way we see the universe, literally.

With scissors and paper, artist Béatrice Coron creates intricate worlds, cities and countries, heavens and hells. Striding onstage in a glorious cape cut from Tyvek, she describes her creative process and the way her stories develop from...

We're losing animal and plant species at such a swift, unprecedented rate that it's nearly impossible to keep up. Computational biologist Tanya Berger-Wolf demonstrates how harnessing the power of artificial intelligence and one of the...

What does it look like when someone in Sweden brushes their teeth or when someone in Rwanda makes their bed? Anna Rosling Rönnlund wants all of us to find out, so she sent photographers to 264 homes in 50 countries (and counting!) to...

New Horizons is teaching us all about Pluto! And it's definitely not what we were expecting.

Without realizing it, we're fluent in the language of pictures, says illustrator Christoph Niemann. In a charming talk packed with witty, whimsical drawings, Niemann takes us on a hilarious visual tour that shows how artists tap into our...

New Horizons went into safe mode and lost a few days of science observations. And there seems to be some confusion over whether there are aliens on Comet 67P.

Why Do We Put Telescopes in Space?

The origins of the cameras we use today were invented in the 19th century. Or were they? A millenia before, Arab scientist Alhazen was using the camera obscura to duplicate images, with Leonardo da Vinci following suit 500 years later...

Humans are special, and we got that way thanks to evolution and natural selection. The proof is right there in our bodies! From anatomy to genes, here are some stories of how you got to be the way you are.

Sometimes the most intimidating part of making a movie is that little box of concentrated technology called "The Camera." But, FEAR NOT! In this episode of Crash Course Film Production, Lily helps us dissect the basics of modern movie...

Could smartphones and cameras be our most powerful weapons for social justice? Through her organization Witness, Yvette Alberdingk Thijm is developing strategies and technologies to help activists use video to protect and defend human...