Nature is wonderfully abundant, diverse and mysterious -- but biological research today tends to focus on only seven species, including rats, chickens, fruit flies and us. We're studying an astonishingly narrow sliver of life, says...

SciShow shares the latest developments in science, this week including new insights into the evolution of giant sperm, and the discovery of a whole new order of animal.

More than half of Americans take a dietary supplement, but the truth is, most people don't need them. There are, however, a handful of supplements that can be helpful in some situations!

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Life on Earth depends on the steady nature of our star, and an international team of scientists searched thousands of other stars to try to find out if the sun has always been as consistent as it is now. And According to a study...

Remember when astrophysicists thought they'd found signs of life on Venus? A different team re-crunched the numbers, and their results raised some questions about that claim. Also, a bunch of exoplanets are doing a really precise dance...

When Jimmy Nelson traveled to Siberia to photograph the Chukchi people, elders told him: "You cannot photograph us. You have to wait, you have to wait until you get to know us, you have to wait until you understand us." In this...

When you're on opposite sides of an issue, how do you broker peace with your adversaries and work together to solve a problem? Follow along as animal rights activist Leah Garcés recounts three lessons she learned in hatching an ambitious...

Hank shares the latest exciting findings from the Mars Science Laboratory, known to its friends as Curiosity. Learn what Curiosity has discovered about the giant Gale Crater, and what those developments mean for the prospects of ancient...

How do they do it? Penguins standing on ice, not only for days, but their whole lives! And their feet don’t hurt like ours would. It has something to do with blood and an amazing twist that penguins have developed.

The ocean covers 70% of the planet, but humans still don’t know very much about it. In this episode, Hank discusses seven mysterious ocean topics.

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GLOBAL VIEW OF GRAVITY ANOMALIES Credit: NASA Earth...

The legal system can seem like a complicated tangle of arcane rules and loopholes, and it can sometimes seem like it is designed to confuse. But it is possible, with the right application, for the legal system to rectify injustices....

As long as we've been around, YES. But the universe gets much more exciting, AND much BRIGHTER, as we start winding our clocks back to the early days of the universe. Near the beginning of the universe, when space was rapidly expanding,...

Over the past 20 years, dinosaurs of all types and sizes have been found with some sort of fluff or even full-on plumage. These fuzzy discoveries have raised a whole batch of new questions so we're here to tell you everything we know...

In the late 1800s, paleontologists in Nebraska found huge coils of hardened sand stuck deep in the earth. Local ranchers called them Devil's Corkscrews and scientists called them Daemonelix. It was clear these corkscrews were created by...

Scientific discoveries, futurist Juan Enriquez notes, demand a shift in code, and our ability to thrive depends on our mastery of that code. Here, he applies this notion to the field of genomics.

Throughout human evolution, multiple versions of humans co-existed. Could we be mid-upgrade now? Juan Enriquez sweeps across time and space to bring us to the present moment -- and shows how technology is revealing evidence that suggests...

Artists Jeroen Koolhaas and Dre Urhahn create community art by painting entire neighborhoods, and involving those who live there -- from the favelas of Rio to the streets of North Philadelphia. What's made their projects succeed? In this...

When you think about the deep blue sea, you might instantly think of whales or coral reefs. But spare a thought for giant clams, the world's largest living shellfish. These incredible creatures can live to 100, grow up to four and a half...

In 2010, technologist Tan Le took the TEDGlobal stage to demo a powerful new interface. But now, at TEDxWomen, she tells a very personal story: the story of her family -- mother, grandmother and sister -- fleeing Vietnam and building a...

Daniel Kraft demos his Marrow Miner -- a new device that quickly harvests life-saving bone marrow with minimal pain to the donor. He emphasizes that the adult stem cells found in bone marrow can be used to treat many terminal conditions,...

What do you learn when you sail around the world on your own? When solo sailor Ellen MacArthur circled the globe – carrying everything she needed with her – she came back with new insight into the way the world works, as a place of...

Most people recognize his name and know that he is famous for having said something, but considering the long-lasting impact his teachings have had on the world, very few people know who Confucius really was, what he really said and why....

If you've taken a career break and are now looking to return to the workforce, would you consider taking an internship? Career reentry expert Carol Fishman Cohen thinks you should. In this talk, hear about Cohen's own experience...

We can evolve bacteria, plants and animals -- futurist Juan enriquez asks: Is it ethical to evolve the human body? In a visionary talk that ranges from medieval prosthetics to present day neuroengineering and genetics, enriquez sorts out...