Animals
Here’s what bats ‘see’ when they explore the world with sound
High-speed cameras, fancy microphones and slick software are helping scientists get the best look yet at what bats perceive through echolocation.
Word of the Week
Health & Medicine
Scientists Say: Narcotic
Scientists refer to a narcotic as a drug that stops pain, but the word can be used in other ways as well.
Explainers
Plants
Explainer: How photosynthesis works
Plants can take in light, water and carbon dioxide, and send out sugar and oxygen. Here’s how it works.
Technically Fiction
Plants
Here’s how giant pumpkins get so big
Cinderella took a ride in a pumpkin coach. Though real pumpkins do get big enough, here’s why their ride would be uncomfortable at best.
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Secrets to Better Learning
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How physics lets a toy boat float upside down
Buoyancy’s upward force keeps objects afloat even in unusual conditions.
