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The “afterlife” according to Einstein’s special relativity

Adults Science
Sabine Hossenfelder discusses the physics of… dead grandmothers?

How to Make Money on YouTube with 20M Subs

Adults Science
In 2023, Kurzgesagt has existed for 10 years (which is insanely long in internet years).

Explaining concrete while getting buried in it

Adults Science
Concrete = cement + sand + gravel. Cement is the most important man-made material on Earth.

You’re Not a Lab Mouse, but You Might Be a Wild Mouse

Adults Science
The lab mice we use for genetic studies are not only closely related, but live out their whole lives in a sterile environment, so they don’t tell us everything we need to know about actual humans.

Why Aliens Might Already Be On Their Way To Us

Adults Science
The universe is magnificent and vast. Hundreds of billions of galaxies, trillions of stars, and even more planets. If even the tiniest fraction are habitable, then the Universe should be teeming with life. And yet we see nothing, only vast emptiness. Where is everyone else?

How NASA Reinvented The Wheel

Adults Science
A huge thanks to everyone at NASA Glenn Research Center for having us at the SLOPE Lab, showing their work on this indestructible tire, and helping with the science and animation.

How to master your sense of smell

Adults Science
Some perfumers can distinguish individual odors in a fragrance made of hundreds of scents; tea-experts have been known to sniff out the exact location of a particular tea; and the NYC Transit Authority once had a employee responsible only for sniffing out gas leaks.

How Quantum Computers Break The Internet

Adults Science
A quantum computer in the next decade could crack the encryption our society relies on using Shor's Algorithm.

World's Strongest Magnet!

Adults Science
The world's strongest magnet is a million times stronger than Earth's magnetic field. Learn more about sustainability and Google’s efforts at sustainability.google. Part of this video was sponsored by Google.

Your Immune System is More Dangerous than You Think

Adults Science
There is this idea floating around that what doesn’t kill you, makes you stronger. That surviving a disease leaves you better off. And it seems to make sense because we have all experienced this.

Why Is Our Moon Two-Faced?

Adults Science
The near side of the Moon has a thin crust and is covered in maria. The far side has a thick crust and almost no maria.

Black Holes

Adults Science
Black Holes Aren’t Black or Even Holes. What Are They?

How language shapes the way we think | Lera Boroditsky

Adults Science
There are about 7,000 languages spoken around the world -- and they all have different sounds, vocabularies and structures.

How Can We Store Renewable Energy?

Adults Science
Decarbonizing our power production is vitally important if we want to curtail climate change, but there are some major logistical issues we’re going to have to overcome before we can do that.

Why Do Heart Attacks Cause *Arm* Pain?

Adults Science
When the brain receives pain from an internal organ, it often projects the pain in the wrong place because of the way sensory nerve paths converge.

How to deal with rejection

Adults Science
Dig into the psychology of why rejection causes us pain, and explore strategies to cope with this common experience.

The Stickiest Non-Sticky Material

Adults Science
Adhesives based on gecko skin can hold huge weights – without sticking to anything.

How To Terraform Mars - WITH LASERS

Adults Science
Mars is a disappointing hellhole lacking practically everything we need to stay alive. It looks like we’ll only ever have small crews spend a miserable time hidden underground.

I tested the US Military’s secret space weapon

Adults Science
An engineer came up with a plan to drop tungsten telephone poles from space - the idea has been seriously considered on multiple occasions, so we tested it.

Anthropology’s Greatest Hoax

Adults Science
Scientists are sometimes deemed objective observers of the world in which we live, but that’s not entirely true. They’re still human and can find themselves victim to fraudsters just like the lot of us.

Why Do We Release So Much Gas?

Adults Science
The carbon dioxide we’re pumping into the air every day is causing unprecedented global warming and climate change.