TED Talks
Dan Pallotta: The way we think about charity is dead wrong
Activist and fundraiser Dan Pallotta calls out the double standard that drives our broken relationship to charities. Too many nonprofits, he says, are rewarded for how little they spend -- not for what they get done. Instead of equating...
SciShow
Science and Gun Violence
Hank looks for some things science can add to the conversation about guns and gun violence in the wake of the tragedy last week in Newtown, Connecticut. Our deepest sympathies are with the community of Sandy Hook, and with anyone whose...
TED-Ed
TED-Ed: Why do some people snore so loudly? | Alayna Vaughan
A leather mask that clamps the mouth shut. A cannonball sewn into a soldier's uniform. A machine that delivers sudden electrical pulses. These were all treatments for a problem that has haunted humanity for millennia: snoring. It might...
TED Talks
Gregory Petsko: The coming neurological epidemic
Biochemist Gregory Petsko makes a convincing argument that, in the next 50 years, we'll see an epidemic of neurological diseases, such as Alzheimer's, as the world population ages. His solution: more research into the brain and its...
SciShow
Dual-Sex Butterfly and the Risks of ... Oxygen
SciShow News shares the latest science headlines, including a newly-found butterfly that’s half male and half female, and new insights into the association between cancer and … breathing.
TED Talks
TED: How free is our freedom of the press? | Trevor Timm
In the uS, the press has a right to publish secret information the public needs to know, protected by the First Amendment. Government surveillance has made it increasingly more dangerous for whistleblowers, the source of virtually every...
SciShow
Why Do Some Doctors Still Use Bloodletting?
Has a doctor ever told you that you just have too much blood? Probably not, but there are a handful of conditions where being a little low might be good for you.
SciShow
How a Storm Triggered a City-Wide Asthma Attack
A very weird way a thunderstorm might kill you.
TED Talks
Akash Manoj: A life-saving device that detects silent heart attacks
You probably know the common symptoms of a heart attack: chest and arm pain, shortness of breath and fatigue. But there's another kind that's just as deadly and harder to detect because the symptoms are silent. In this quick talk,...
SciShow
What Happens If You Leave Stitches in for Too Long?
Leaving your stitches in too long can have some serious consequences.
TED-Ed
TED-Ed: What is HPV and how can you protect yourself from it? - Emma Bryce
Get informed on the causes and risks of human papillomavirus, HPV, and how to protect yourself from the infection. -- At some point, most sexually active people will be infected with human papillomavirus, or HPV. There are over 100 types...
SciShow
Science on Trial in Italy
Hank has some thoughts on the news that several Italian scientists who were convicted of 29 counts manslaughter for making an "inadequate risk-assessment" before an earthquake.
TED Talks
Pat Mitchell: Dangerous times call for dangerous women
Pat Mitchell has nothing left to prove and much less to lose -- she's become a "dangerous woman." Not dangerous as in feared, she says, but fearless: a force to be reckoned with. In this powerful call to action, Mitchell invites all...
SciShow
Can You Get Too Much Sleep?
Are you someone who likes to hit the snooze button four or five times before waking up? Do you have to be physically pulled out of bed every morning? Do you ever wonder if that's normal and healthy? Well, this episode is for you!
SciShow
Why Can't You Donate Platelets After Taking Aspirin?
Curious why you can't donate platelets after taking aspirin? Wonder no more!
TED Talks
Shlomo Benartzi: Saving for tomorrow, tomorrow
It's easy to imagine saving money next week, but how about right now? Generally, we want to spend it. Economist Shlomo Benartzi says this is one of the biggest obstacles to saving enough for retirement, and asks: How do we turn this...
TED Talks
Ray Anderson: The business logic of sustainability
At his carpet company, Ray Anderson has increased sales and doubled profits while turning the traditional "take / make / waste" industrial system on its head. In a gentle, understated way, he shares a powerful vision for sustainable...
SciShow
Why We Started Shooting Lasers Into People’s Eyeballs
Your eyes might malfunction, but lasers can fix them. Here's how researchers developed those procedures.
SciShow
Active Volcanoes: The Perfect Egg Incubators
You probably don't think of active volcanoes as the ideal place to build a nursery, but for some animals, they're the perfect spot to incubate their unborn babies!
PBS
Should the First Mars Mission Be All Women?
Okay, going to Mars is going to be expensive. Not only that, but who we choose to pick on that trip also needs to have the statistically lowest chance of perishing. So it might be the case that our best scenario is all female crew!
SciShow
Apocalypse Averted, Colossal Squid, & Rocket to the Sun?
Hank tells us about near-earth objects & primordial black holes; new developments in evolutionary genetics; a giant squid & a giant radio telescope; & answers viewer questions about disposing of nuclear waste in space.
Crash Course
Why Do Outbreaks Affect People Unequally? Crash Course Outbreak Science
We’re all susceptible to infectious disease of some kind or other, but not everyone is equally likely to be the victim of an outbreak. The fact is, inequalities both between and within communities mean that some people are at higher risk...
SciShow
Why Does Getting Water Up Your Nose Hurt So Much?
Jumping into a refreshingly cold body of water on a hot summer day can feel wonderful, except for your nose. Why does it hurt so much when you get water up your nose?
TED Talks
Bill Joy: What I'm worried about, what I'm excited about
Technologist and futurist Bill Joy talks about several big worries for humanity -- and several big hopes in the fields of health, education and future tech.