Why Do Leaves Change Colour And Fall?
YouthEnvironmentNatureScienceThey’re pretty to look at, sure -- but the changing leaves you see in autumn are really a striking example of nature taking extreme measures to protect itself.
The Sweet Future of Vertical Farming | Hiroki Koga | TED
AdultsFoodLifeTechnology...Can strawberries grown inside a building taste sweeter than those grown in a field?
How do QR codes work? (I built one myself to find out)
AdultsScienceTechnologyHow-toHow do QR codes work? The checkerboard patterns taking over the world, demystified.
We Traveled Back in Time. Now Physicists Are Angry.
AdultsLifeScienceTechnology...Time travel is possible. In fact, you’ve been doing it since the day you were born.
At-Home Lab: Making Bread
YouthExperimentsFoodScience...Learn a little about at-home chemistry in the kitchen.
Can Dogs Detect the Next Pandemic Before It Begins? | Glen J. Golden | TED
AdultsAnimalsNatureScience...What if animals like dogs, ferrets, mice and raccoons could help sniff out the next pandemic? Exploring the science of smell, neurobiologist Glen J. Golden delves into the development of a "mechanical nose" that could detect diseases by identifying specific odor profiles.
Primitive Technology: Water Bellows smelt
AdultsCreativityEducationNature...I tested the water bellows with a smelt and it produced a small amount of iron from the ore. The concept has a lot of potential but is having some issues.
Farne Islands' Puffins
YouthAnimalsEnvironmentScience...Learn how the the population of these colourful seabirds have stabilized on Farne Islands.
Groundbreaking chemist defines all of life in 2 words | Lee Cronin
AdultsLifePhilosophyScience...What is life, really? Despite our scientific advancements, we still don’t really know.
You’re Filled With Microplastics. So What?
AdultsHealthHumanLife...Plastic pollution has been called “one of the greatest environmental challenges of the 21st century.” Billions of tons of it has entered the ecosystem, and entered YOU, in the form of so-called “microplastics.” But are microplastics actually bad?
How do bulletproof vests work? - Max G. Levy
AdultsConstructionScienceChemistry...Explore the chemistry behind what makes kevlar so strong, and how this essential synthetic fiber was invented.
The Species That Broke Evolution?
AdultsHealthHistoryScience...The ancestors of gars, horseshoe crabs and coelacanths looked almost the same as their modern relatives. Darwin called species like these “living fossils'' because they seem like they are evolutionarily frozen in time. But Darwin was wrong.