In this sketch from College Humor they amusingly spoof the seemingly never ending endless articles about conflicting health studies.

One minute science is telling us a certain food is bad fro our health, the next it’s saying no, actually, it’s very beneficial. Well, which is it?!

Unfortnately, even though we live in the 21st century some people still think we live on a flat earth, rather than a round one.

There’s not enough of the flat-earthers to have made too much of an impact, but the internet has allowed them to be heard and reach a bigger audience—which means, sadly, it’s necessary to have videos like this which detail using sciencific evidence, why we live on a round earth.

Today is International Women’s Day, where the world celebrates the pioneering and mould-breaking females and their social, economic, cultural, scientific and political accomplishments.

One such woman was 20 century British physicist and engineer Hertha Marks Ayrton who, along with her achievements in science, was also active in the Suffragette movement too.

Find out more about Hertha Marks Ayrton.

Before you ask no ‘The Moon Terminator Illusion’ hasn’t nothing to do with cyborgs and the singularity.

Instead a terminator is used to describe the line that separates the illuminated and dark side of an object, and here Vsauce shows why it is we see the moon that way.

We’ve all had that strange sensation of being somewhere or seeing something we’ve done before.

It’s called déjà vu, but why the heck does it happen? Well no one’s really sure, but there’s a few good theories about it.

Comedy scientist and YouTube hero Mehdi Sadaghdar builds a mini Tesla coil using something called a slayer exciter circuit.

But rather than just your standard how-to video, Sadaghdar adds his unique no-nonsense delivery and comedic timing to proceedings.

Looking around at the world you’d be forgiven for thinking we were built to be total a-holes.

But no, turns out actually we were built to be compassionate and kind—at least according to UC Berkeley psychologist Dacher Keltner, who thinks that sympathy has evolved to be one of the strongest of human instincts.

Homeopathic remedies are a bunch of ball crap—and if you don’t believe that then this video should prove it’s true.

This woman swallows 50 homeopathic sleeping pills and guess what? Nothing much happens, because there’s nothing in them.