Brain
Confidence can make you miss important information
Being confident can feed a confirmation bias in us, new studies show. This bias can make your brain ignore other people’s ideas and any conflicting information.
Word of the Week
Chemistry
Scientists Say: Plastic
Plastics are made of long polymer chains and can take on many shapes. Unfortunately, they stick around for a long time.
Explainers
Environment
Explainer: How and why fires burn
A fire’s colorful flame results from a chemical reaction known as combustion.
Analyze This!
Environment
Analyze This: Perfumes from everyday products collect in distant ice
Common scent-bearing chemicals are trapped in ice cored from Europe’s tallest peak. Dig into the data to find a story behind that pollution.
What's Hot
Secrets to Better Learning
Watch This
Some beetles can be eaten by a frog, then walk out the other end
After being eaten by a frog, some water beetles can scurry through the digestive tract and emerge on the other side — alive and well.
