The world isn’t ending, but there are still some terrifying dystopias and world-ending scenarios that could actually happen in real life. From things like the walking dead to cannibalism to children of men, here are 4 things that could end the world from our friends over at Alltime10s.

John and Hannah are excited for the holidays (all of them!) and are starting the season off right with a sleigh full of themed TYTU videos. To set the tone, we are discussing our holiday plans which may or may not include these festive get-ups.

Size really does matter! Body size, that is. Taller and heavier men seem more manly, even if their face doesn’t differ much from a woman’s. So why do we think tall and heavy is a manly trait? Find out with Brett and Hannah!

Polyamorists can teach us a lot about love (even if you’re not polyamorous or monogamish)! In fact, monogamists can learn plenty from polyamorous principles. Here’s how applying principles about love, space, and dependence can help your relationship, improve communication, and even bring the two of you closer.

High credit scores come with lots of advantages. It’s easier to get a mortgage, credit card, or loan for a car. But did you know your credit score also says a lot about your overall physical and mental well-being?

Gender equality hasn’t been achieved by a single country in the world. But some countries are making a lot of progress! Find out the top places in the world where men and women have equal rights, plus learn how gender equality can improve the economy and GDP of countries around the globe!