Is Hand Sanitizer Actually Bad For You? [Science Video]

Can hand sanitizer create super-bugs, or is that a myth? Find out in ASAP Science’s latest video! [ASAP Science]

How An Igloo Keeps You Warm [Science Video]

If you ever find yourself stranded in the snowy Arctic (or bored in Minecraft), you’re gonna need to know how to build an igloo. But how can building a house made of ice keep you warm? The science behind building an igloo is the same reason that otters and reindeer don’t freeze to death! [It’s […]

Paper and String: The DIY Centrifuge

A centrifuge is a vital piece of kit for hospitals and labs across the world. But what if you could make one out of paper and string? The so-called ‘paperfuge’ is the cheapest and fastest hand-spun centrifuge ever designed — and it can reach speeds of up to 125,000 revolutions per minute. Nature Video reveals […]

Should YOU Be Afraid of BPA? [Science Video]

BPA has had some bad press, and now we’re all wondering: Is BPA bad for us? Michael Aranda from The SciShow goes into how we encounter BPA in our lives and how it affects us. [SciShow]

Why Does Stepping on Legos Hurt So Much? [Video]

Right up there with how the gun on the original Duck Hunt game worked, why it hurts so much to step on a Lego brick is one of the questions we’re asked the most, so it’s high time we answered it. As anyone who’s done it knows, stepping on a Lego block is something akin […]

The Science Behind Nitroglycerin: Explosive Heart Medication [Video]

Imagine a substance so powerful that it could blow you to bits or save your life depending on how you used it. Well imagine no more: such a substance exists and you’ve probably heard of it: Nitroglycerin. [SciShow]

150 MPH Rocket Knife Can Slice Through Almost Anything [Video]

From The Backyard Scientist: I recreated my favorite MythBusters experiment and tried to chop a car in half with a Rocket Knife. I also tried to chop a chicken, steak, and fruits in half! Next week.. RED HOT ROCKET KNIFE! …after my burns heal ;) [The Backyard Scientist]

A Look at Why Some People Sleepwalk [Science Video]

Sleepwalking (somnambulism) is quite common but why do people do it? Is waking up a sleepwalking person bad for them? Let’s find out! [Life Noggin]

A Look at 8 Lesser-Known, Useful Elements [Science Video]

There are 118 elements on the periodic table, but it seems like only a handful of them get any attention. But just because you haven’t heard of an element doesn’t mean that it isn’t a vital part of everyday life. [SciShow]

Do Fat Cells Ever Really Go Away? [Science Video]

Okay, so you lost weight, but what actually happened to those fat-storing cells? Find out in this episode of SciShow! [SciShow]

Should You Wear Sunscreen in the Winter? [Science Video]

DNA damage doesn’t just happen in the summer, but does that really mean we should wear sunscreen in the cloudy and chilly months? Watch this episode of SciShow to find out! [SciShow]