* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences.

This talk begins with a personal story of sexual violence that may be difficult to listen to. But that's the...

We recently got an important update from the IPCC, the definitive source on the climate crisis. And while there's not a ton of good news, there are some bits of hope if we can ramp up our actions now.

We don't have to live in a world where 99 percent of rapists get away with it, says TED Fellow Jessica Ladd. With Callisto, a new platform for college students to confidentially report sexual assault, Ladd is helping survivors get the...

In an unmissable talk, journalist Carole Cadwalladr digs into one of the most perplexing events in recent times: the UK's super-close 2016 vote to leave the European Union. Tracking the result to a barrage of misleading Facebook ads...

Temperatures are rising, and greenhouse gases are being emitted faster than ever. What's a planet to do? Hank explains the recommendations of some of the world's top scientists to stem global warming.

The UN's Intergovernmental Panel on Climate Change released the final part of its sixth assessment report. In it, they steer away from the gloom and doom and remind us of a future that's still remarkably possible.

The IPCC has released a special report assessing how the world’s ice and oceans are faring under our changing climate, and scientists may be one step closer to a cure for the common cold!

The term Gross Domestic Product is often talked about as if it were “handed down from god on tablets of stone.” But this concept was invented by an economist in the 1930s. We need a more effective measurement tool to match 21st century...

Time and time again, we've failed to predict that the technologies of the present will change the future. Recently, a similar pattern was discovered in our individual lives: we're unable to predict change in ourselves. But is there...

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.

Hank boils down a new report from the United Nations about global warming and tells you five things you really need to know about our warming world.

In this eye-opening talk about the impact of race and neighborhood on foster-care decisions, social worker Jessica Pryce shares a promising solution to help child welfare agencies make bias-free assessments about when to remove children...

At TEDU 2009, Erik Hersman presents the remarkable story of Ushahidi, a GoogleMap mashup that allowed Kenyans to report and track violence via cell phone texts following the 2008 elections, and has evolved to continue saving lives in...

Fraud researcher and documentary filmmaker Kelly Richmond Pope shares lessons from some of the most high-profile whistle-blowers of the past, explaining how they've shared information that has shaped society -- and why they need our...

Some bacteria seem to be using a type of memory to help them alter future behaviors, based on their past experiences.

Machines that can think, learn and adapt are coming -- and that could mean that we humans will end up with significant unemployment. What should we do about it? In a straightforward talk about a controversial idea, futurist Martin Ford...

As a teenager, Ismael Nazario was sent to New York’s Rikers Island jail, where he spent 300 days in solitary confinement -- all before he was ever convicted of a crime. Now as a prison reform advocate he works to change the culture of...

Your expedition finally stands at the heart of the ancient temple. But as you study the inscriptions in the darkness, two wisps of green smoke burst forth. The walls begin to shake. The giant sandglass begins flowing with less than an...

The report you've been putting off is due tomorrow. It's time to buckle down, open your computer ... and check your phone. Maybe watch your favorite YouTube channel? Or maybe you should just start in the morning? This is the cycle of...

In which Craig Benzine tells you how we keep bureaucracy in check. So we've spent the last few episodes telling you all about what bureaucracies are and why they are formed. And throughout we've hinted about this ever-expanding power...

Click here to find out more about "New Planets Found!" and "SUPER EARTH Orbiting Our Sun!". Ignore the clickbait...Hank Green explains what might have been found in this episode of SciShow Space.

We place a lot of value on productivity, and being distracted can lower your performance on specific tasks. But it turns out that getting distracted once in a while can actually be a good thing!

Social psychologist Thomas Curran explores how the pressure to be perfect -- in our social media feeds, in school, at work -- is driving a rise in mental illness, especially among young people. Learn more about the causes of this...

Money can’t directly buy happiness, but there are ways you can spend it that might help.