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Why do we feel nostalgia?

Adults Health History Psychology

Nostalgia was once considered an illness confined to specific groups of people. Today, people all over the world report experiencing and enjoying nostalgia. But how does nostalgia work? And is it healthy? Clay Routledge details the way our understanding of nostalgia has changed since the term was first coined in the late 17th century.

Should You Trust Your Gut Instinct?

Adults Math Psychology

Can you trust your gut feelings?

The Surprising Origin of Thanksgiving Foods

Adults Food History Religion

I'm thankful for science. And also pie.

How do whales sing?

Adults Animals Nature

Communicating underwater is challenging. Light and odors don't travel well, but sound moves about four times faster in water than in air - which means marine mammals often use sounds to communicate.

Which Diets Actually Work?

Adults Food Health

Debunking some common diets, and seeing which work!

Is It Okay to Touch Mars?

Adults Science Space

What exactly makes a journey to Mars so perilous? Is it okay to touch Martian dirt with your bare hands?

Iguana vs Snakes - Planet Earth II

Adults Animals Nature

This behaviour has never been filmed before! Hatchling marine iguanas are attacked by snakes hunting on mass. This clip was taken from the Islands episode of Planet Earth II.

Why Do Animals Eat Their Babies?

Adults Animals Nature

Sometimes, it makes sense for critters across the animal kingdom to chow down on their own young.

Are preservatives bad for you?

Adults Food Health

Food doesn't last. In days, sometimes hours, bread goes moldy, apple slices turn brown, and bacteria multiply in mayonnaise. But you can find all of these foods out on the shelf at the grocery store, hopefully unspoiled, thanks to preservatives.

Is This What Quantum Mechanics Looks Like?

Adults Physics Science

Silicone oil droplets provide a physical realization of pilot wave theories.

Primitive Technology: Shrimp Trap

Adults Creativity Food Technology

I built a shrimp trap from lawyer cane, sticks and vine. Then I caught some shrimp and ate them.

The Walking Water Mystery Solved!

Adults Film Science Physics

Solving a 5 yr old personal mystery about "Why Water Walks on Water".

Rubik's Cube World Record

Adults Math Sports

20 year old Mats Valk from the Netherlands has set a new record for completing Rubik's Cube.

How the sandwich was invented

Adults Food History

Today, it is estimated that 50% of Americans eat at least one sandwich every day. And while it's all but impossible to imagine a world without them, sandwiches have only been around since 1762.

Welding in Space

Adults Space Technology

In space, metals can weld together without heat or melting.

Plato's best (and worst) ideas

Adults History Philosophy

Few individuals have influenced the world and many of today's thinkers like Plato. He created the first Western university and was teacher to Ancient Greece's greatest minds, including Aristotle.

The Sky Is The Limit In This VR Rock Climbing Game

Adults Gaming Technology

It also has a fatigue feature that mimics stamina.

The 71 Most AMAZING Innovations of All Time

Adults Creativity Technology

This episode is sponsored by Bill Gates.

How Different Are Different Types of Dogs?

Adults Animals Pets

The domestic dog is a domesticated canine which has been selectively bred over millennia for various behaviours, sensory capabilities, and physical attributes.

Muscle-Mimicking Robots Could Change Physical Therapy

Adults Biotechnology Health

They are flexible and reconfigurable, and behave like actual human muscles.

These Recycled Plastic Bricks Work Better Than Cement Blocks

Adults Construction Global Warming

ByFusion is taking plastic waste from the ocean and building something wonderful.