Hank describes some of the best explanations that neurologists have come up with to account for the strange sensation we know as déjà vu.

Tweeting may not decrease your stress, but the twitter of some birds just might. And can we make people forget their memories?

Devastating vulnerabilities are hiding in the technology in programs, protocols, and hardware all around us. Most of the time, you can find ways to protect yourself.

When birds and squirrels cache food for the winter, it means they have to remember where to find that food later. Their strategies for finding their hidden feasts includes memory tricks and changing brains.

Planarians are flatworms most known for being able to grow a new head if it gets cut off, but perhaps even stranger is the fact that their new head retains some of the memories from the old one. Hosted by: Michel Aranda

Let’s face it: humans stink! But that’s not always a bad thing - we use smells to interact with each other and navigate our lives. Hosted by: Hank Green

Turns out, two atomic clocks are indeed better than one. And what role does sleep play in memory suppression?

Like a common cold or a cold sore, would it be possible to get a reinfection of COVID-19? Would we be able to build up long-term resistance to it?

Hank explains the science behind the effects of that wackiest of weeds, cannabis sativa - aka marijuana.

You Can "Catch" Alzheimer's Disease

To make the case for reparations for the toll of slavery, acclaimed writer Ta-Nehisi Coates has offered forceful advocacy and powerful data-driven argument. With his first novel, "The Water Dancer," he uses fiction to illuminate the...

Imagine a beautiful cube in which you can store all your memories, allowing access to them whenever you want. But there is a tradeoff. Others can access it, or, in a sense, you. Jennifer Egan has dreamed up this nonexistent technology in...

The second law of thermodynamics - the law that entropy must, on average, increase - has been interpreted as the inevitability of the decay of structure. This is .... misleading. Structure can develop in one region even as the entropy...

In this episode of Crash Course Psychology, we get to meet the brain. Hank talks us through the Central Nervous System, the ancestral structures of the brain, the limbic system, and new structures of the brain. Plus, what does...

Shocking the brain has come and gone as a medical treatment, but it’s currently resurging, as it often provides the best form of relief for severe depression and advanced Parkinson’s disease. ___________________________________________...

A memory isn’t stored in your brain in a neat little package, but is instead spread across a pattern of cells in different regions. What's more, understanding this process could open the door to better treatments for conditions like...

If you've ever wondered why you crave certain foods or what your appendix actually does, there's something in this collection for you!

Passionate scientists constantly have revolutionary ideas, but when they seem too good to be true, they usually are.

Using video mapping and projection, artist Gabriel Barcia-Colombo captures and shares his memories and friendships. At TED Fellow Talks, he shows his charming, thoughtful work -- which appears to preserve the people in his life in jars,...

Nootropics are a group of chemicals that supposedly make you “smarter” without any side-effects. But don’t rush into it yet! It might be still too experimental to test it out.

Michael Aranda hosts a compilation of videos discussing the science of memory!

How do you turn a memory, especially one of a traumatic event, into hard evidence of a crime? Julia Shaw is working on this challenge, combining tools from memory science and artificial intelligence to change how we report workplace...

What if we could use brain waves to treat Alzheimer's? Professor and neuroscientist Li-Huei Tsai details a promising new approach to artificially stimulate gamma brain waves using light and sound therapy, to increase connectivity and...

Could you enter a flow state with the people around you? Also we've found a promising drug for treating mental illness, and it might not come from where you expect.