Eyewitness testimony can be really important when investigating crimes, but how can we make them more reliable?

Every morning we wake up and regain consciousness -- that is a marvelous fact -- but what exactly is it that we regain? Neuroscientist Antonio Damasio uses this simple question to give us a glimpse into how our brains create our sense of...

Although standardized testing is a particularly hot topic in education right now, this approach to measurement has been in use for two millennia. And while the results of standardized testing can help us understand some things, they can...

Alzheimer's doesn't have to be your brain's destiny, says neuroscientist and author of "Still Alice," Lisa Genova. She shares the latest science investigating the disease -- and some promising research on what each of us can do to build...

Can we, as adults, grow new neurons? Neuroscientist Sandrine Thuret says that we can, and she offers research and practical advice on how we can help our brains better perform neurogenesis—improving mood, increasing memory formation and...

It's 4am, and the big test is in 8 hours. You've been studying for days, but you still don't feel ready. Should you drink another cup of coffee and spend the next few hours cramming? Or should you go to sleep? Shai Marcu defends the...

Explore the basics of how antibiotics, antivirals, and vaccines work to help your immune system in the fight against pathogens! This Amoeba Sisters video also briefly introduces the lines of defense in the immune system and discusses how...

Some bacteria seem to be using a type of memory to help them alter future behaviors, based on their past experiences.

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.

Today we’re going to take our first baby steps from hardware into software! Using that CPU we built last episode we’re going to run some instructions and walk you through how a program operates on the machine level. We'll show you how...

You and nine other individuals have been captured by super-intelligent alien overlords. The aliens think humans look quite tasty, but their civilization forbids eating highly logical and cooperative beings. Unfortunately, they're not...

Scott Fraser studies how humans remember crimes -- and bear witness to them. In this powerful talk, which focuses on a deadly shooting at sunset, he suggests that even close-up eyewitnesses to a crime can create "memories" they could not...

Some perfumers can distinguish individual odors in a fragrance made of hundreds of scents; tea-experts have been known to sniff out the exact location of a particular tea; and the NYC Transit Authority once had a employee responsible...

Most of us have felt it before, that strange sensation that you've been somewhere or seen something before, as if you already remembered what's happening. Are you psychic? Nope, that's just deja vu. Why does deja vu happen? Well,...

"Secrets can take many forms -- they can be shocking, or silly, or soulful." Frank Warren, the founder of PostSecret.com, shares some of the half-million secrets that strangers have mailed him on postcards.

* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. Psychologist Elizabeth Loftus studies memories. More precisely, she studies false memories, when people either...

Depression is not just feeling hopeless or apathetic, there are lots more symptoms that we aren’t familiar with.

In this emotionally charged conversation with journalist Kurt Andersen, designer David Rockwell discusses the process of building a viewing platform at Ground Zero shortly after 9/11.

Explore the basics about the immune system with The Amoeba Sisters! This video talks about the three lines of defense and also compares cell-mediated response with the humoral response.

Rives recaps the most memorable moments of TED2006 in the free-spirited rhyming verse of a fantastical mockingbird lullaby.

In the wake of the 2011 Japanese earthquake and tsunami, mixed into the wreckage were lost and damaged photos of families and loved ones. Photo retoucher Becci Manson, together with local volunteers and a global group of colleagues she...

Do you remember what you did a week before today? And are you sure you actually did that instead of dreaming it up? Our memory can be tricked easily. But how? Hank explains how your memories can be tricked.

We all use our body on a daily basis, and yet few of us think about our physicality the way Wayne McGregor does. He demonstrates how a choreographer communicates ideas to an audience, working with two dancers to build phrases of dance,...

How does memory work? And how does.... un-memory work? Our brain does a lot of remembering and forgetting every day, so you should probably make room for som info on how it works. You'll also get to meet some people who can't make...