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]

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]

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]

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]

A science acapella cover of Ariana Grande’s Breathing taking a look at our body’s breathing mechanism. [ASAPScience]

There are renewable energy sources here on Earth, but to meet our clean energy needs we should consider every possible option, including the Moon. [SciShow Space]

A video explaining the long term psychological damage bullying causes. Targets of bullying often do worse in school and are more likely to skip or drop out. They are also more likely to experience depression or anxiety, develop behavior problems, and even begin bullying others. [Life Noggin | Via GT]