Susan Blackmore studies memes: ideas that replicate themselves from brain to brain like a virus. She makes a bold new argument: Humanity has spawned a new kind of meme, the teme, which spreads itself via technology -- and invents ways to...

What if we could use existing technologies to provide Internet access to the more than 4 billion people living in places where the infrastructure can't support it? using off-the-shelf LeDs and solar cells, Harald Haas and his team have...

Hank explains why scientists spend so much time and brain power making animals that glow. Well, the first thing is, they don't really glow. And the second thing is: Scientists are just like the rest of us in that they don't believe some...

In his lab at Penn, Vijay Kumar and his team build flying quadrotors, small, agile robots that swarm, sense each other, and form ad hoc teams -- for construction, surveying disasters and far more.

When you're on opposite sides of an issue, how do you broker peace with your adversaries and work together to solve a problem? Follow along as animal rights activist Leah Garcés recounts three lessons she learned in hatching an ambitious...

Devastating earthquakes happen every year, and it's difficult to predict when they will happen. But they do follow one mathematical pattern known as the Devil's staircase.

It's normal to feel anxious or overwhelmed by climate change, says psychologist Renée Lertzman. Can we turn those feelings into something productive? In an affirming talk, Lertzman discusses the emotional effects of climate change and...

As long as we've been around, YES. But the universe gets much more exciting, AND much BRIGHTER, as we start winding our clocks back to the early days of the universe. Near the beginning of the universe, when space was rapidly expanding,...

It’s becoming harder and harder to categorize moons as moons.

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To learn more, start your googling with t
hese keywords:
Moon: a natural...

Brains are ubiquitous in modern marketing: Headlines proclaim cheese sandwiches help with decision-making, while a “neuro” drink claims to reduce stress. There’s just one problem, says neuroscientist Molly Crockett: The benefits of these...

If vacuum energy really does have the enormous value predicted by quantum field theory then our gently expanding, geometrically flat universe shouldn't exist. This is the vacuum catastrophe.

The newest 8K TVs have 33 million pixels - but can you even see that many?

Many a joke has been made about scurvy and pirates, but it’s a serious disease caused by a lack of Vitamin C that still affects people around the world today. What’s wild, though, is that it shouldn’t exist - our distant ancestors used...

There are creatures who get some super important and recognizable part of their biology from their diets.

Graphic designer Stefan Sagmeister takes the audience on a whimsical journey through moments of his life that made him happy -- and notes how many of these moments have to do with good design.

Curly, festive ribbons are a delight, sure, but the physics behind HOW they curl is much more exciting!

SciShow Space explores new theories about the timing of the development of life on Earth, and elsewhere in the universe.

This week, Mike Rugnetta re-introduces Herakles, the strong man of Greek and Roman myth. Strongman with a darkside, that is. You'll learn about Herakles' 10 actually 12 labors, the story of his birth, his death, some of his marriages,...

The telescopes of tomorrow will see in infrared and ultraviolet. They will peer through space and scan across time. They will allow us to find new supernovae, spot potentially hazardous asteroids, better understand dark energy and peer...

This week on the SciShow Talk Show Doug Emlen talks about animal weapons! Jessi from Animal Wonders joins the show to talk about animal defenses and introduce us to the southern three-banded armadillo.

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.

From the very large to the very small, the universe is an amazing place. Here's my favorite ways to explore its scale.

If you want to build a business that lasts, there may be no better place to look for inspiration than your own immune system. Join strategist Martin Reeves as he shares startling statistics about shrinking corporate life spans and...

An overview of gradient descent in the context of neural networks. This is a method used widely throughout machine learning for optimizing how a computer performs on certain tasks.