Ecosystems
Soggy coastal soils? Here’s why ecologists love them
Coastal wetlands can protect our shores from erosion, flooding and rising sea levels.
Word of the Week
Life
Scientists Say: Amphibian
Amphibians are ectotherms that live dual lives — they start off in water, breathing with gills, and end up breathing air with lungs.
Explainers
Health & Medicine
Explainer: What is puberty?
Puberty isn’t just a time for zits, breasts and deeper voices. It also spurs brain development that helps teens handle emotions and deal with stress.
Experiments
Chemistry
Build ice towers with bottled water and ice
Pour out liquid water into a solid ice tower. We outline the conditions you’ll need to turn this demonstration into a super-cool experiment.
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.
