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The chemistry of cookies

Adults Food Science
You stick cookie dough into an oven, and magically, you get a plate of warm, gooey cookies. Except it's not magic; it's science. Stephanie Warren explains via basic chemistry principles how the dough spreads out, at what temperature we can kill salmonella, and why that intoxicating smell wafting from your oven indicates that the cookies are ready for eating.

What's In A Candle Flame?

Adults Physics Science
Is a flame really a plasma? Well it depends on your definition of plasma, but there are certainly ions in a flame, formed as molecules collide with each other at high speed, sometimes knocking electrons off of their atoms.

Unsung Hero

Adults Equality Society
Unsung heroes are all around us.

Frog Frenchie

Adults Animals Pets
French Bulldog Puppy Argues Bedtime

Here's What It's Like To Parachute Into A Baseball Stadium

Adults Sports Transportation Film
US Navy Parachuting Team "Leap Frogs" parachuting into San Diego MLB stadium, from their perspective.

Jumpy

Adults Animals Pets Human
Jumpy, a Border Collie and Blue Heeler mix, has been training with his owner Omar von Muller ever since he was a puppy. In this video, he's demonstrating the famous "Skidboot" routine.

Magic for Dogs

Adults Creativity Pets
Do dogs react to magic? Watch as magician & mentalist Jose Ahonen vanished some dog treats under their noses. By the way, all the dogs got treats before and after the trick.

Usain Bolt vs. a Cheetah

Adults Animals Human Sports
The fastest man alive, Usain Bolt, runs a virtual race against nature's fastest land animal.

The loathsome, lethal mosquito

Adults Animals Science
Everyone hates mosquitos. Besides the annoying buzzing and biting, mosquito-borne diseases like malaria kill over a million people each year (plus horses, dogs and cats). And over the past 100 million years, they've gotten good at their job -- sucking up to three times their weight in blood, totally undetected. So shouldn't we just get rid of them? Rose Eveleth shares why scientists aren't sure.

The Lion King Australia

Adults Film Music Transportation
After an amazing day at THE LION KING Brisbane season launch announcement, members of our Australian cast felt so elated they decided to sing the 'Circle of Life' prior to take off on their flight back to Sydney.

How simple ideas lead to scientific discoveries

Adults Creativity Science
Adam Savage walks through two spectacular examples of profound scientific discoveries that came from simple, creative methods anyone could have followed -- Eratosthenes' calculation of the Earth's circumference around 200 BC and Hippolyte Fizeau's measurement of the speed of light in 1849.

Anti-Gravity Wheel Explained

Adults Physics Science
It's a little shaky but if you average out the oscillations I think the result is clear. Again, huge thank you's to A/Prof Emeritus Rod Cross, Helen Georgiou, Alex Yeung, and Chris Stewart, the University of Sydney Mechanical Engineering shop, Duncan and co. Ralph and the School of Physics.

Mousetrap Chain Reaction in Slow Motion

Adults Film Internet Culture
Gav sets up a chain of 150 mousetraps. Dan sets them off bravely.

The Most Amazing Thing About Trees

Adults Ecology Nature
Trees create immense negative pressures of 10's of atmospheres by evaporating water from nanoscale pores, sucking water up 100m in a state where it should be boiling but can't because the perfect xylem tubes contain no air bubbles, just so that most of it can evaporate in the process of absorbing a couple molecules of carbon dioxide. Now I didn't mention the cohesion of water (that it sticks to itself well) but this is implicit in the description of negative pressure, strong surface tension etc.

Questions no one knows the answers to

Adults Physics Science Space
In the first of a new TED-Ed series designed to catalyze curiosity, TED Curator Chris Anderson shares his boyhood obsession with quirky questions that seem to have no answers.

How Google responds to government search warrants

Adults Business Justice Social Media
How Google responds to search warrants, while working hard to protect our users' privacy and security. Learn more about how we handle requests.

Why waste time? It doesn't earn interest.

Adults Life Philosophy
"Why waste time? It doesn't carry over to the next day. It doesn't earn interest. Take every day and every moment, and make something of it. Make something positive." - Elvis de Leon

When a dog stays home alone

Adults Animals Pets
This dog is not allowed on the bed. So it's owner installed a camera to check what happens when the dog stays home alone.

Why do we cry? The three types of tears

Adults Biology Human Science
Whether we cry during a sad movie, while chopping onions, or completely involuntarily, our eyes are constantly producing tears. Alex Gendler tracks a particularly watery day in the life of Iris (the iris) as she cycles through basal, reflex and emotional tears.

X-Men: Days of Future Past | Official Trailer 2

Adults Film Marketing
The ultimate X-Men ensemble fights a war for the survival of the species across two time periods in X-MEN: DAYS OF FUTURE PAST. The beloved characters from the original "X-Men" film trilogy join forces with their younger selves from "X-Men: First Class," in an epic battle that must change the past -- to save our future.

Dead stuff: The secret ingredient in our food chain

Adults Ecology Food
When you picture the lowest levels of the food chain, you might imagine herbivores happily munching on lush, living green plants. But this idyllic image leaves out a huge (and slightly less appetizing) source of nourishment: dead stuff. John C. Moore details the "brown food chain," explaining how such unlikely delicacies as pond scum and animal poop contribute enormous amounts of energy to our ecosystems.