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Let’s Get Real About Free Speech | Greg Lukianoff | TED

Adults Society Politics

"Too many people believe in something closer to freedom from speech rather than freedom of speech," says attorney Greg Lukianoff.

The Hole In Relativity Einstein Didn’t Predict

Adults Physics Science

Why does energy disappear in General Relativity?

Primitive Technology: Belt and pulley blower

Adults DIY Engineering Technology

I made a belt and pulley drive to power a blower. Up until now I had been using a rope and stick to spin the fan rotor of the blower.

Soothing ASMR Sounds of Freezing North American Forest | Animal ASMR | BBC Earth

Adults Animals Nature Survival

Let the sounds of a freezing forest soothe you as temperatures plummet and different animals find different ways to survive.

Jackie Chan Answers The Web's Most Searched Questions | WIRED

Adults Entertainment Film

Karate Kid: Legends star Jackie Chan visits WIRED to give answers to his most searched for questions on Google.

How I would learn to cook if I could start over.

Adults Cooking Food How-to

If I could learn to cook all over again, this is the exact roadmap I would use to skip the frustration.

Brian Cox breaks down the most mysterious scale in the cosmos

Adults Astronomy Science Space

"It's a very, very beautiful calculation, but it's the best example I know of the relationship between these rather abstract quantities perhaps and something that you can look at in a telescope."

Will Natrium Nuclear Reactors Change Everything?

Adults Innovation Science

In February 2025 I got to visit Terrapower, a self-proclaimed nuclear innovation company. In part one of this sponsored series, you saw the science behind turning nuclear waste into cancer medication.

Platypuses Aren't Weird, You Are

Adults Animals Biology

Look, we all think platypuses are weird. Just one look at these beaver-tailed, egg-laying, duck-billed weirdos makes you wonder how we're even both mammals.

How much would it cost to buy the Sun? - Cella Wright

Adults Astronomy Economy Energy

Dig into the monetary value of the Sun and how important it is as our energy source as Daedalus contemplates buying it.

The Problem with Antivenom

Adults Biology Health

Venomous snakes kill nearly 100,000 people a year. Which is weird, because we have a pretty effective treatment for venomous snake bites; it’s actually been around for more than a hundred years. So why are so many people still dying?

When Your Body Attacks Itself – Autoimmune

Adults Biology Health

What happens when the immune system meant to protect you becomes your worst enemy?

Never Before Seen Penguin Egg Transfer

Adults Animals Life Nature

Narrated by acclaimed actress Blake Lively, National Geographic invites you into the breathtaking world of emperor penguins. Witness their beautiful mating journey, from courtship rituals to the critical moment of the egg handover.

EASY Summer Breakfast BBQ Idea By Jamie Oliver

Adults Cooking Food

EASY Summer Breakfast BBQ Idea By Jamie Oliver! We're cooking this one all summer!

Dream in English - Canadian College of English Language

Adults Education...

Study English at the Canadian College of English Language in Vancouver, Canada. For more information contact our team.

Why Climate Action Is Unstoppable — and “Climate Realism” Is a Myth | Al Gore | TED

Adults Economy Energy Environment...

In this urgent and hard-hitting talk, Nobel Laureate Al Gore thoroughly dismantles the fossil fuel industry’s narrative of "climate realism," contrasting their misleading claims with the remarkable advancements in renewable energy.

The Man Who Almost Broke Math (And Himself...) - Axiom of Choice

Adults Education Math Mathematics

A huge thank you to Dr Asaf Karagila, Prof. Alex Kontorovich, Prof. Joel David Hamkins, Prof. Andrew Marks, Prof. Gabriel Goldberg and Prof. Elliot Glazer for their invaluable expertise and contributions to this video.

CA Skip navigation Search Create Avatar image How to be a more loving person, in 3 steps

Adults Ethics Love Philosophy...

What does it mean to build a moral life rooted in love? Philosopher Meghan Sullivan explores the concept of a "love ethic," a framework that calls us to extend the same compassion and concern we show loved ones to strangers.

Digital Tar Pits - How to Fight Back Against A.I.

Adults Artificial Intelligence Technology

A new movement aimed at poisoning A.I. models like ChatGPT has gained traction after hackers have been attempting to trap said models in a never ending ‘Tar Pit’ of nonsense.

You Do Not Need 10,000 Steps a Day

Adults Health Wellness

If you have ambitions to start exercising or get the most out of your exercise routine, there are a lot of flashy tricks promising to help you. But not all of them are supported by science. Do ice baths help? Stretching? Heat? This video has the data.

When should you break a promise? - Sarah Stroud and Michael Vazquez

Adults Ethics Philosophy Relationships

Puzzle through an ethical dilemma and decide: what responsibility do we have to honor the wishes of the dead?