TED-Ed
TED-Ed: How do steroids affect your muscles— and the rest of your body? | Anees Bahji
Steroids. They've caused global scandals. They're banned in most athletic competitions. Yet the same properties that help elite athletes and bodybuilders improve performance also make steroids valuable for treating many illnesses and...
TED Talks
TED: 5 needs that any COVID-19 response should meet | Kwame Owusu-Kesse
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...
TED Talks
TED: Awoo | Sofi Tukker
electro-pop duo Sofi Tukker dance it out with the TED audience in a performance of their upbeat, rhythmic song "Awoo," featuring Betta Lemme.
SciShow
Preventing Cancer? Scientists Try Combining Three Strategies
What Do Exercise, Omega-3s, and Vitamin D Have in Common? Cancer. In a study published this week in the journal Frontiers in Aging, researchers propose a combination of simple strategies to help prevent the development of invasive...
TED Talks
TED: Why teens confess to crimes they didn't commit | Lindsay Malloy
* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. Why do juveniles falsely confess to crimes? What makes them more vulnerable than adults to this shocking,...
TED Talks
TED: Why we need to end the War on Drugs | Ethan Nadelmann
* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. Is the War on Drugs doing more harm than good? In a bold talk, drug policy reformist Ethan Nadelmann makes an...
TED-Ed
TED-Ed: Rusha Modi: What causes heartburn?
Humans have been battling heartburn for hundreds, if not thousands, of years. But recently the incidence has risen, making it a common complaint worldwide. What causes this problem, and how can it be stopped? Rusha Modi details the...
SciShow
Are Antioxidants Actually Good for Anything?
There's evidence that antioxidant-rich diets have health benefits in humans, but the antioxidant chemicals and enzymes seem to be only part of the puzzle.
TED Talks
Stephen Friend: The hunt for "unexpected genetic heroes"
What can we learn from people with the genetics to get sick — who don't? With most inherited diseases, only some family members will develop the disease, while others who carry the same genetic risks dodge it. Stephen Friend suggests we...
TED Talks
TED: Is there a link between cancer and heart disease? | Nicholas Leeper
Does the key to stopping cancer lie in the heart? Cardiologist Nicholas Leeper digs into emerging scientific research on the link between the world's two leading causes of death, heart disease and cancer, sharing how their biological...
TED Talks
TED: A NASA astronaut's lessons on fear, confidence and preparing for spaceflight | Megan McArthur
How does an astronaut prepare physically and mentally to launch into space? NASA astronaut Megan McArthur, who traveled to the International Space Station in April 2021 as part of the SpaceX Crew-2 mission, shares stellar life lessons on...
Be Smart
Why Do You Love Your Family?
Why do we love people we're related to? Compared to strangers, why do we feel such a deep sense of connection with our family members? Sure, they're nice to us, we take care of each other, and we often live with them, but there has to be...
SciShow
Angelina Jolie & Breast Cancer
What would you do if you found out that cancer could be lurking in your genes? More people are getting news like that these days as more kinds of cancer are being linked to specific genes and genetic tests let doctors screen your...
SciShow
What Causes Sunburns?
Why does too much sun turn some people's skin all red and shiny? Quick Questions explains!
TED Talks
TED: 5 transformational policies for a prosperous and sustainable world | Johan Rockstrom
In a talk about how we can build a robust future without wrecking the planet, sustainability expert Johan Rockstrom debuts the Earth3 model -- a new methodology that combines the UN Sustainable Development Goals with the nine planetary...
TED Talks
Chris McKnett: The investment logic for sustainability
Sustainability is pretty clearly one of the world's most important goals; but what groups can really make environmental progress in leaps and bounds? Chris McKnett makes the case that it's large institutional investors. He shows how...
MinuteEarth
An Unexpected Consequence of COVID
The global pandemic led to a drop in outdoor air pollution, but it also led to an increase in indoor air pollution - and our exposure to it.
TED Talks
Shereen El-Feki: HIV -- how to fight an epidemic of bad laws
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,...
SciShow
What Does Gum Disease Have to Do With Alzheimer’s?
Regular brushing and flossing might not just keep your mouth in good shape—they might also be good for your brain.
SciShow
Do We Have To Give Up Bacon?
The IARC has categorized processed meat as a definite carcinogen. But how dangerous is it really? Do we finally have to give up bacon?
TED Talks
TED: How COVID-19 human challenge trials work -- and why I volunteered | Sophie Rose
In April 2020, epidemiologist-in-training Sophie Rose volunteered to be infected with the virus that causes COVID-19. As a young, healthy adult, she's offering to take part in a human challenge trial, a study where participants are...
SciShow
Walrus Flash Mob & 20 Years of Pot Research
35,000 walruses all hanging out at the same beach in Alaska? Why? Does global warming have anything to do with it? And what have we learned after 20 years of studying the effects of marijuana? SciShow News explains.
TED Talks
Amory Lovins: Winning the oil endgame
In this energizing talk, Amory Lovins lays out his simple plan for weaning the US off oil and revitalizing the economy.
TED Talks
Ellen Jorgensen: Biohacking -- you can do it, too
We have personal computing -- why not personal biotech? That's the question biologist Ellen Jorgensen and her colleagues asked themselves before opening Genspace, a nonprofit DIY bio lab in Brooklyn devoted to citizen science, where...