When it comes to sex things can be complicated, but for the three species we are looking at today, sex is really hard.

Are we really attracted to other people through pheromones? How do they work? Turns out it's much more complicated than you might think. Join Hank Green for a fascinating look into the world of human pheromones in this new episode of...

Jessi and Squeaks are making special valentines for all of their friends! And while they’re working they’re watching older videos to help them remember how they can make the best gifts!

Steven Soderbergh is known as much for his Oscar winning tense dramas as he is retiring... then not retiring. He was a part of the indy revolution in the 1980s and 90s that helped usher in a new case of writers and directors who didn't...

This Valentine’s Day, send a little love to your bacterial buddies! Our microbes keep us healthy, but some bacteria give their animal companions superpowers, like immunity to poison, or even invisibility!

Want to get your sweetheart something really special? Give them a mineral called fingerite, and then stare at them for a while! Find out why, in this Valentine's Day edition of SciShow News.

It’s Valentine’s Day, and Jessi and Squeaks got Valentines from their awesome animal friends all over the world! Hang out with them as they read some silly Valentine poems and learn about the animals that sent them!

Ever wonder if there's something about your scent that might be sending signals to the people around you? Well as it turns out, it's possible- but it winds up being a lot more complicated than you might think.

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In graphic design, Marian Bantjes says, throwing your individuality into a project is heresy. She explains how she built her career doing just that, bringing her signature delicate illustrations to storefronts, valentines and even...

When it comes to love, we often talk about our hearts...but we should actually be talking about our brains!

Scientists have found that Valentine's Day can have a negative impact on relationships and the holiday-related obligation to be lovey-dovey may have something to do with it.

In this shorts video we will find the area of a Valentine's Day Heart. We will be presented with a composite figure, a heart. A composite figure is a figure composed of two or more two-dimensional figures. The heart is formed by a...

The Japanese love to give gifts. The two main Japan-wide gift-giving seasons are July (Ochugen), when people wish each other summer greetings and good health, and December (Oseibo), to show appreciation for assistance offered during the...

Howcast - No date for Valentine’s Day? Put down the Rocky Road and listen up.

Howcast - The best Valentine’s Day cards to give—and get—are the ones you make from scratch.

Howcast - February 14th making you cringe? Avoid the landmines new couples face.

Howcast - Learn how to decorate Valentine's Day cupcakes in this Howcast food video with expert Liz Sutton.

Howcast - Add a little heart to make your favorite recipes perfect for Valentine's Day.

Howcast - With this guide it's easy to choose a perfect movie for Valentine's Day to watch with your honey.

Howcast - Keep love in the air by finding her the perfect gift for Valentine's Day. A little pampering could really spice up your romance.

Howcast - Make Valentine's Day a day to remember by showing your partner how much you love them.

Howcast - Historians disagree on how February 14 became associated with love, leaving you free to borrow whatever rituals you want from the holiday's rumored roots.

Howcast - Learn how to say "Happy Valentine's Day" in German in this German lesson from Howcast.

Howcast - Learn how to say "Happy Valentine's Day" in Russian with this online Russian language lesson from Howcast.