Can Eco-Friendly Plastics be Composted? The Answer: It’s Complicated [Video]

Thanks to the demands of eco-conscious consumers, biodegradable and compostable plastics are cropping up everywhere. Are these green plastics the solution to our throwaway lifestyle? Well — it’s complicated. [Reactions]

What If You Stopped Brushing Your Teeth Forever? [Science Video]

What if you never brushed your teeth? Or even stopped for a year? Here’s what would happen! [AsapSCIENCE]

Pay What You Want for the Humble STEM Book Bundle: Science, Technology, Engineering, and Mathematics (And Support Charity!)

If you’re into everything that Geeks are Sexy is about, the Humble STEM Book Bundle is for you! To get all the books featured in the bundle, it would normally cost you over $1,000, but for a few days, you can get the whole thing for a ridiculous price, and on top of that, you’ll […]

The Best Ways to Keep Your Mind Young

You might feel like your thinking has been getting a bit slower and foggier as you get older, and that eventually happens to everybody. But how can we keep our minds young? [SciShow Psych]

Music From The Fibonacci Sequence

From aSongScout: I made a piano piece from the Fibonacci Sequence by assigning numbers to the E major scale. [aSongScout]

Aliens under the Ice – Life on Rogue Planets [Science Video]

Out in the vast coldness of outer space, there are planets that travel alone through darkness without the boundaries of a system. Here’s how this can happen – and why these frozen deserts might secretly harbor alien life. [Kurzgesagt – In a Nutshell]

The Most Bitter Chemical in the World [Science Video]

There is a chemical so bitter you can taste it in an Olympic-sized swimming pool and you probably have it in your home without even knowing it. The chemical is called Denatonium and it’s the most bitter substance known to man. [SciShow]

How to Build a Dyson Sphere: A Giant Megastructure That Collects Energy from the Sun [Video]

If humans want to expand into space, it will take us incredible amounts of energy. How do we do that? Easy: we will just use the sun’s energy by realizing the most ambitious construction project in history. This is how it works. [Kurzgesagt – In a Nutshell]