Did you know that your environment and lived experiences can actually affect your DNA? Welcome to the world of epigenetics! In this fun episode of SciShow, Hank & his clone Circus Hank explain the power of epigenetics, which studies the...

Nearly half of all pregnancies in the United States are unplanned, the result of millions of people being unable to get the birth control method that works best for them. Reproductive health advocate and 2023 Audacious Project grantee...

In this exclusive preview of groundbreaking, unreleased technology, former Apple designer and Humane cofounder Imran Chaudhri envisions a future where AI enables our devices to "disappear." He gives a sneak peek of his company's new...

Why aren't more people investing in Africa's green energy? Environmental researcher Rebekah Shirley outlines the continent's immense potential for renewable power and calls for collaborative international investment -- and partnership --...

How can nonprofits accelerate their impact and move the needle on intractable problems? Looking to bring the urgency of a profit motive to every initiative, inclusive finance promoter Tolu Oyekan shows how scalable, data-driven solutions...

How do we make historically exclusive fields like classical music, fine arts or academic research more accessible to everyone? Education equalizer and violist Matthew Garcia thinks one way to remove barriers is to create free, virtual...

Once it’s out of your body, your genetic information is valuable to a variety of people, but you can keep it safe(ish) with a few simple steps. ___________________________________________ To learn more, start your googling with these...

As prescription drug costs skyrocket in the US, thousands of people are forced to forgo lifesaving medications -- all while manufacturers and health care facilities systematically destroy perfectly good, surplus pills. Kiah Williams...

From outbreaks of measles in the United States and cholera in Haiti to patterns of lead poisoning near gold mines in Nigeria, medical geographers play an important role in tracking disease in the landscape. Today, we're going to look at...

Questions of good and evil, right and wrong are commonly thought unanswerable by science. But Sam Harris argues that science can -- and should -- be an authority on moral issues, shaping human values and setting out what constitutes a...

We're living in a golden era of innovation, says entrepreneur Ashwini Anburajan -- but venture capital hasn't evolved to keep up, and startups aren't getting the funding they need to grow. In this quick talk, she shares the story of how...

Crisis interventions often focus on a single aspect of a big, complicated problem, failing to address the broader social and economic context. Kwame Owusu-Kesse describes how the Harlem Children's Zone is taking a more holistic approach...

Has a fifth fundamental force been discovered and how will this effect our understanding of the universe?

Patenting a new drug helps finance its immense cost to develop -- but that same patent can put advanced treatments out of reach for sick people in developing nations, at deadly cost. Ellen 't Hoen talks about an elegant, working solution...

Most scientific literature is written only in English, creating an alarming knowledge gap for the 75 percent of the world who don't speak it. That's a big problem for climate change -- because it's hard to take action on something you...

When it comes to big problems like climate change, we tend to focus on big solutions -- but many of the best ideas come from people on the ground, facing day-to-day conservation battles. Sharing her effort to protect the Leseur ecosystem...

Centuries of inequality can't be solved with access to technology alone -- we need to connect people with training and support too, says tech inclusionist 'Gbenga Sesan. Sharing the work behind the Paradigm Initiative, a social...

Legendary hip-hop producer Swizz Beatz is on a mission to revolutionize the way artists do business. In this glorious talk, he shares some of the ways he's helping fellow creatives thrive, including a roving art fair that gives artists...

The way we cool things down is heating the planet even more, says sustainable development expert Rachel Kyte -- and the solutions go well beyond just fixing air-conditioning. She identifies four major areas with transformative solutions...

In Latin American countries like El Salvador, homicide rates are alarmingly high thanks in large part to a vicious cycle of violence -- people don't have a chance to heal from recurrent individual and collective trauma. With her team at...

There is an epidemic of HIV, and with it an epidemic of bad laws -- laws that effectively criminalize being HIV positive. At the TEDxSummit in Doha, TED Fellow Shereen El-Feki gives a forceful argument that these laws, based in stigma,...

Joel Jackson wants to reimagine transportation around the needs of the African consumer. He's designed an SuV that's rugged enough for long stretches of uneven terrain and affordable enough to be within reach of those who need it most....

Artist LaToya Ruby Frazier spent five months living in Flint, Michigan, documenting the lives of those affected by the city's water crisis for her photo essay "Flint is Family." As the crisis dragged on, she realized it was going to take...

More than 90 percent of children in the US see a doctor at least once a year, which means countless hours spent in waiting rooms for parents. What if those hours could be used for something productive -- like saving money? Through her...