Plants! If oxygen and good smells aren't enough for you, here's a collection of episodes that might win you over.

How does one experience synesthesia -- the neurological trait that combines two or more senses? Synesthetes may taste the number 9 or attach a color to each day of the week. Richard E. Cytowic explains the fascinating world of entangled...

Oxygen is so essential for animals that every multicellular species we’ve ever studied has the ability to use oxygen to create energy... except one.

Plants don’t have brains or muscles, and yet some of them can perform such feats as eating insects or following the sun. Scientists haven’t completely figured out how this happens, but they do have some pretty strong leads.

It can be daunting to move from the abstract idea stage to the realm of bank accounts, taxes, and liability. Sometimes, it can feel like you’re making arbitrary decisions, but we’re going to wade through the legalese together. Things are...

Join Hank Green to learn ten weird, scary, and amazing things fungi can do!

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Hank discusses the process by which organisms grow and develop, maintaining that, in the end, we're all just tubes.

After many adventures in Wonderland, Alice has once again found herself in the court of the temperamental Queen of Hearts. She's about to pass through the garden undetected, when she overhears the king and queen arguing that 64 is the...

Mushrooms can be pretty weird! Some have the power to trick animals into caring for them, appear to bleed, or even clean up radiation!

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In this collection of classic MinuteEarth videos, we learn more about the planet’s two favorite pets.

Ah, hiccups. They are typically harmless, and yet also very annoying. But why do they happen in the first place?

Cycles are a big deal in engineering. Today we’ll explain what they are and how they’re used in heat engines, refrigerators, and heat pumps. We’ll also discuss phase diagrams and the power of using renewable energy resources

When you hear the words dire wolf, your mind might jump to Game of Thrones or Dungeons and Dragons, but dire wolves are not just in the realm of fantasy and fiction. They were real animals that lived during the last Ice Age, and we're...

Hank is tired of zombies in popular culture, and while acknowledging that dead people are scary (especially if they start moving around), he brings us some information on prions - misfolded proteins that are responsible for destroying...

Hank gets real with us in a discussion of evolution - it's a thing, not a debate. Gene distribution changes over time, across successive generations, to give rise to diversity at every level of biological organization.

For life to evolve on Earth, a bunch of complex organic molecules had to evolve a way to assemble into cells. So how did those proto-cells get cell membranes? Some researchers have a new hunch. Also, scientists are borrowing a trick from...

Worried about turning into your parents? Hank unpacks the connection between personality, genetics, and upbringing. Ultimately, though, you are your own person.

In this video Paul Andersen describes the major parts of an atom and explains how the Bohr Model more accurately represents the location of electrons around the nucleus. Niels Bohr refined the Rutherford model to account for spectra.

Steven Pinker's book The Blank Slate argues that all humans are born with some innate traits. Here, Pinker talks about his thesis, and why some people found it incredibly upsetting.

Squeaks and Mister Brown are so excited about rockets, they're going to make their own! You can join in on the fun and learn how to make one too!

Hank gives us a tour of the most important table ever, including the life story of the obsessive man who championed it, Dmitri Mendeleev. The periodic table of elements is a concise, information-dense catalog of all of the...

It turns out that saving all of your studying until after midnight on the night before your big exam is not actually a great way to prepare. Today, Thomas explains some test prep strategies that actually work.

How Big Is The Sun?

As we near the end of the series, we're going look at how statistics impacts our lives. Today, we're going to discuss how statistics is often used and misused in the courtroom. We're going to focus on three stories in which three huge...