SciShow
5 Weird Things Your Blood Can Tell You
Blood is a pretty remarkable diagnostic tool! It doesn’t just tell you about blood-related diseases, it can reveal information about everything from your brain to your unborn fetus. Chapters PREMATURE BABIES 0:48 CONCUSSIONS 4:11 BLOCKED...
TED Talks
TED: A smart loan for people with no credit history (yet) | Shivani Siroya
Trust: How do you earn it? Banks use credit scores to determine if you're trustworthy, but there are about 2.5 billion people around the world who don't have one to begin with -- and who can't get a loan to start a business, buy a home...
TED Talks
TED: How the military fights climate change | David Titley
Military leaders have known for millennia that the time to prepare for a challenge is before it hits you, says scientist and retired US Navy officer David Titley. He takes us from the humanitarian catastrophe in Syria to the icy shores...
TED Talks
TED: You may be accidentally investing in cigarette companies | Bronwyn King
Tobacco causes more than seven million deaths every year -- and many of us are far more complicit in the problem than we realize. In a bold talk, oncologist Dr. Bronwyn King tells the story of how she uncovered the deep ties between the...
TED Talks
TED: Teach girls bravery, not perfection | Reshma Saujani
We're raising our girls to be perfect, and we're raising our boys to be brave, says Reshma Saujani, the founder of Girls Who Code. Saujani has taken up the charge to socialize young girls to take risks and learn to program -- two skills...
TED Talks
María Neira: This is your brain on air pollution
Air pollution knows no borders -- even in your own body, says public health expert María Neira. In this startling talk, she describes how the microscopic particles and chemicals you breathe affect all your major organs (including your...
TED-Ed
Why good ideas get trapped in the valley of death -- and how to rescue them | TED-Ed
All new products must pass through the "valley of death" before they reach the market. Many never make it out, and sometimes that's OK -- if they don't work, don't fill a need or for any number of reasons. One of the fields where this...
SciShow
Detecting Earthquakes: AI vs. Citizen Scientists
There are over 13,000 active seismic stations out there, producing far more data than seismologists have time to go through. So, researchers set up a showdown of humans versus machines to sift through all this information and, in the...
TED-Ed
TED-ED: What is leukemia? - Danilo Allegra and Dania Puggioni
Stem cells found in the bone marrow are crucial for our health because they are needed to become new blood cells that sustain and protect our bodies. But when the transformation goes wrong, harmful mutations can cause the cells to start...
SciShow
How the Big Game affects Heart Health #shorts #science
How the Big Game affects Heart Health #shorts #science
TED Talks
Bruce Schneier: The security mirage
The feeling of security and the reality of security don't always match, says computer-security expert Bruce Schneier. In his talk, he explains why we spend billions addressing news story risks, like the "security theater" now playing at...
SciShow
Does Having Abusive Parents Mean You’ll Become One?
Growing up in a violent household creates the risk of perpetuating that violence later in life, but is it avoidable?
MinuteEarth
The Actual Reason Men Die First
Because females often outlive males, behavior is often blamed - but there is a decent chance our sex chromosomes might be to blame instead.
TED-Ed
TED-Ed: How do vaccines work? - Kelwalin Dhanasarnsombut
The first ever vaccine was created when Edward Jenner, an English physician and scientist, successfully injected small amounts of a cowpox virus into a young boy to protect him from the related (and deadly) smallpox virus. But how does...
TED Talks
TED: Our treatment of HIV has advanced. Why hasn't the stigma changed? | Arik Hartmann
The treatment of HIV has significantly advanced over the past three decades -- why hasn't our perception of people with the disease advanced along with it? After being diagnosed with HIV, Arik Hartmann chose to live transparently, being...
SciShow
Asteroids to Watch Out For
Hank tells us about NASA's Near-Earth Object Program, which tracks the paths of asteroids and categorizes them according to the likelihood that they will strike the Earth at some point in the future.
TED-Ed
TED-ED: Should we be looking for life elsewhere in the universe? - Aomawa Shields
As the number of _potentially habitable" planets that astronomers find continues to rise, we seem ever closer to answering the question, _Are we alone in the universe?" But should we be looking for life elsewhere? If we were to find life...
SciShow
Why Do People Riot?
Peaceful protests can help people have their voices heard, but sometimes a protest becomes a more aggressive riot. How does that happen?
SciShow
Science to Watch Poolside: A Swimming Summer Compilation
Summer is coming to a close, but there is still time to take a cool, refreshing dip in the water of your choice. Before you do, be sure to check out this swimming compilation to get answers to all the questions you didn’t even know you...
SciShow
Why Do People Join Cults?
It’s easy to assume that people who join cults have something wrong with them, but usually the people who join cults are just like the rest of us. So, how does it happen?
TED-Ed
What causes cavities? - Mel Rosenberg
When a team of archeologists recently came across some 15,000-year-old human remains, they made an interesting discovery: the teeth of those ancient humans were riddled with holes. So what causes cavities, and how can we avoid them? Mel...
SciShow
What We Learned from Challenger and Columbia
Late January and early February are the anniversaries of two of the most disastrous events in the history of spaceflight. What did we learn from these events, and how do we move forward?
SciShow
Does Radiation Make Air Travel Dangerous?
Radiation is all around us, and when you travel by plane, you're exposed to cosmic radiation. So what does this mean for our health? Does air travel expose us to unsafe radiation levels? Check out this episode to see how flying among...
TED Talks
Kelly McGonigal: How to make stress your friend
Stress. It makes your heart pound, your breathing quicken and your forehead sweat. But while stress has been made into a public health enemy, new research suggests that stress may only be bad for you if you believe that to be the case....