The 3 best predictors of how well you’ll age
By TedEd Explore how our bodies change and age over time, and the three common markers scientists use to measure […]
This World
Why is it so hard to get rid of bed bugs?
By TedEd Dig into how bed bugs establish a colony in your home, and find out what makes it so
Why do smartphones need multiple cameras?
By TedEd When the Visualphone VP210 hit the market in 1999, it advertised a never-before-seen feature: a camera. With only
What happens to your brain without any social contact?
By TedEd Explore the effects that isolation has on your body and brain, and how a lack of interaction and
How do sinkholes form?
By TedEd Explore the science of sinkholes, how they commonly form, and what human activities can also trigger them. It
Is it really that bad to eat cookie dough?
By TedEd Explore how Salmonella spreads from chickens to humans, and learn how this crafty microscopic pathogen makes us sick.
What your poop can tell you about your health
By TedEd Travel into the digestive system to see how food is turned into waste, and what causes the different
If you had the chance to be immortal, would you take it?
By TedEd Explore different philosophers’ ideas on immortality and dig into their theories about the positives and negatives of eternal
A brief history of credit cards
By TedEd Dig into the history of credit cards in the United States, and how they have evolved since the
How to understand power
By TedEd Every day, we move and operate within systems of power that other people have constructed. But we’re often
