All Stories

Animals

Python Hearts Pump Up

A Burmese python can increase the size of its heart by 40 percent in just two days.

Tech

Power of the Wind

Wind is the fastest growing source of electricity in the world.

Space

Dark galaxy

Astronomers have spied a massive galaxy that appears to contain no stars.

Environment

Shrinking fish

Because of fishing, fish are becoming smaller and growing more slowly.

Health & Medicine

The color of health

Colorful fruits and vegetables pack a powerful, healthful punch.

Humans

A diamond polish for ancient tools

People in Stone Age China may have used diamonds to polish their stone axes.

Animals

Sleep Affects a Bird’s Singing

Young birds sing badly in the morning but do much better later in the day.

Animals

News Detective: Meeting an owl

Environment

Spotty survival

The northern spotted owl faces unpredictable threats and an uncertain future.

Physics

Thinner air, less splatter

At low air pressure, a liquid drop that hits a surface makes no splash.

Animals

Stunts for High-Diving Ants

When some tree-dwelling ants fall out of their homes, they often control the direction of their tumbles.

Planets

Sounds of Titan

A space probe touches down on an alien, but eerily familiar world and samples its music.