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What causes cavities? - Mel Rosenberg

AdultsEducationHealthHumanScienceHistory
When a team of archeologists recently came across some 15,000-year-old human remains, they made an interesting discovery: the teeth of those ancient humans were riddled with holes.

Neanderthals 101

YouthHistoryHumanScienceEvolution
Learn facts about Neanderthal man, the traits and tools of Homo neanderthalensis, and how the species fits into our evolution story.

When are you actually an adult? - Shannon Odell

AdultsHistoryHumanLifePsychology
Explore how scientists define adulthood, and find out if there’s a specific age at which we reach maturity.

How language shapes the way we think | Lera Boroditsky

AdultsEducationHumanScienceLanguageCulture
There are about 7,000 languages spoken around the world -- and they all have different sounds, vocabularies and structures.

Wild Fox Writes Song

KidsAnimalsHumanMusicNatureCreativity
Foxy helps his friend, Andy, write music.

Why Do Heart Attacks Cause *Arm* Pain?

AdultsHealthHumanScience
When the brain receives pain from an internal organ, it often projects the pain in the wrong place because of the way sensory nerve paths converge.

How to deal with rejection

AdultsHumanPsychologyScienceMental HealthSelf
Dig into the psychology of why rejection causes us pain, and explore strategies to cope with this common experience.

Who are you, really? The puzzle of personality | Brian Little

AdultsHumanPsychologySelf
What makes you, you? Psychologists like to talk about our traits, or defined characteristics that make us who we are.

Saving Wild Salmon Populations

AdultsAnimalsHistoryHumanEnvironmentWildlifeFilm
In her film 'Salmon Reflection' Norwegian and Unangax̂ filmmaker Anna Hoover explores the effects of a changing world on the communities of Bristol Bay, one of the last surviving wild salmon ecosystems.

Being Black in 'Mister Rogers’ Neighbourhood'

YouthEqualityHistoryHumanTVCulture
Francois Clemmons became one of the first black actors to have a recurring role in a children’s TV program.

When Was The Worst Time In History To Die?

AdultsHealthHistoryHumanScience
By combining historical demography and epidemiology, we can (sort of) determine how people throughout history have died.

Explore the three main ways viruses can be driven to extinction, and dig into the possibility of COVID-19 dying out.

AdultsHealthHistoryHumanScience
Viruses are wildly successful organisms. There are about 100 million times as many virus particles on Earth as there are stars in the observable universe.

Anthropology’s Greatest Hoax

AdultsHistoryHumanScienceCulture
Scientists are sometimes deemed objective observers of the world in which we live, but that’s not entirely true. They’re still human and can find themselves victim to fraudsters just like the lot of us.

How to stay calm when you know you'll be stressed

AdultsHealthHumanPsychologyMental HealthSelf
You're not at your best when you're stressed. In fact, your brain has evolved over millennia to release cortisol in stressful situations, inhibiting rational, logical thinking but potentially helping you survive, say, being attacked by a lion.

Learn About Your Blood

KidsHealthHumanScience
Learn all about your blood from Dr. Chris and Dr. Xand!

Why Do We Release So Much Gas?

AdultsHistoryHumanScienceEnvironmentGlobal Warming
The carbon dioxide we’re pumping into the air every day is causing unprecedented global warming and climate change.

The Best Way To Apologize

YouthHow-toHumanRelationshipsSelf
Explore what to do— and not to do— in order to deliver an authentic apology and make amends in a variety of situations.

Pet Shop Breakout Sparks Chameleon Invasion

AdultsHumanLifeNatureAnimalsEnvironment
When dozens of Jackson chameleons escaped a Hawaiian pet shop in 1972, they started to wreck havoc on the local ecosystem.

Why do you want to squeeze cute things?

AdultsHumanPsychologyScience
Explore the psychology of the phenomenon known as cute aggression, which is the urge to squeeze, bite or pinch something cute.

Seeing The World Before Going Blind

YouthHumanTravelWorldHealthFamily
These Montreal siblings are seeing the world before they go blind.

What makes a poem … a poem? - Melissa Kovacs

AdultsHistoryHumanSelfWritingArt
What exactly makes a poem … a poem? Poets themselves have struggled with this question, often using metaphors to approximate a definition. Is a poem a little machine? A firework? An echo? A dream? Melissa Kovacs shares three recognizable characteristics of most poetry.