The world's most entertaining and useless self-help guide, from the brilliant mind behind the wildly popular webcomic xkcd and the #1 New York Times bestsellers What If? and Thing Explainer



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Pulsars are more than just cool blinking lights shining across the universe. The discovery of the first binary pulsar paved the way for gravitational wave astronomy astronomy today.

The brain is incredibly complex and things just go wrong sometimes, but scientists have managed to create effective medications... with the help of a few happy accidents.

You might think that fish ride the undercurrents with all their buds to avoid the hungry mouths of predators - safety in numbers, right? But, it turns out, there’s more to consider when asking why fish swim in schools.

Genetic Superheroes live among us! Hank explains that, along with a research study involving LSD and brain scans in this episode of SciShow News!

The enigmatic equation e^{pi i} = -1 is usually explained using Taylor's formula during a calculus class. This video offers a different perspective, which involves thinking about numbers as actions, and about e^x as something which turns...

SciShow Space gives you a blow by blow account of what's going to happen to the sun -- and Earth.

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...

If you want to be prepared for a nuclear attack, here’s a science-based guide to help you get there.

A simple Q&A

In today’s episode, Hank asks you to consider all the ways people talk about justice and what we really mean when we use that word. We’ll explain various theories of justice, just distribution, and different approaches to punishment.

Inspired by Gene Roddenberry's Star Trek, physicist Miguel Alcubierre set out to transform one of the cornerstones of science fiction iconography, the Warp Drive, into reality. But is it even possible? Can we "warp" the fabric of reality...

A clay cylinder covered in Akkadian cuneiform script, damaged and broken, the Cyrus Cylinder is a powerful symbol of religious tolerance and multi-culturalism. In this enthralling talk Neil MacGregor, Director of the British Museum,...

You might think of plate tectonics as destructive since it's the ultimate force behind earthquakes, tsunamis, and volcanic eruptions. But the slow movement of our planet's surface does a lot more than shake things up now and then. Some...

There is some super weird, noodley stuff inside neutron stars and scientists have found evidence that black holes can have strange geometries.

Coming to us from 50 years in the future, legendary sci-fi writer Kim Stanley Robinson tells the "history" of how humanity ended the climate crisis and restored the damage done to Earth's biosphere. A rousing vision of how we might unite...

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