How to Build a Trebuchet | MythBusters
Adults Construction GadgetsWhat's the secret behind a perfect trebuchet? Adam tinkers with his mini medieval weapon to show us.
How stress affects your brain
Adults Health Mental HealthStress isn't always a bad thing; it can be handy for a burst of extra energy and focus, like when you're playing a competitive sport or have to speak in public. But when it's continuous, it actually begins to change your brain. Madhumita Murgia shows how chronic stress can affect brain size, its structure, and how it functions, right down to the level of your genes.
Liam - An Innovation Story
Adults Global Warming TechnologyTrue innovation means considering what happens to a product at every stage of its life cycle. Liam disassembles your iPhone when it's no longer functioning, so the materials inside can live on.
The psychology of narcissism
Adults Psychology SelfNarcissism isn't just a personality type that shows up in advice columns; it's actually a set of traits classified and studied by psychologists. But what causes it? And can narcissists improve on their negative traits? W. Keith Campbell describes the psychology behind the elevated and sometimes detrimental self-involvement of narcissists.
Edible Cutlery
Adults Environment Global WarmingIndia is one of the world's largest consumers of disposable plastic cutlery, which has the makings of a huge health and environmental crisis written all over it.
Cardboard Guitar Stratocaster Fender
Adults Creativity MusicCardboard Chaos is here and it's time to riff on a new idea! Rock out with your cardboard stock out!
Slow Cooked Lamb Shanks | Jamie Oliver
Adults Creativity FoodThis slow and low one pot recipe guarantees perfect melt in the mouth lamb that will satisfy even the hungriest of diners. Tender shanks cooked in a thick, silky sauce and served with creamy mash and a fresh mint oil. This is such a tasty, comforting dish you'll be asked to make it again and again.
How do solar panels work?
Adults Global Warming TechnologyThe Earth intercepts a lot of solar power: 173,000 terawatts. That's 10,000 times more power than the planet's population uses. So is it possible that one day the world could be completely reliant on solar energy? Richard Komp examines how solar panels convert solar energy to electrical energy.
Fingerboarding in a Fancy Restaurant
Adults Creativity FilmThese Dudes Makes Fingerboarding Look Sick.
DIY CNC Laser Engraver
Adults Construction Technology GadgetsWatch A Laser Engraver Built From Scratch In This Hypnotic Video
Is radiation dangerous?
Adults Health ScienceWhen we hear the word radiation, it's tempting to picture huge explosions and frightening mutations. But that's not the full story - radiation also applies to rainbows and a doctor examining an X-ray. So what is it, really, and how much should we worry about its effects? Matt Anticole describes the different types of radiation.