Uncategorized
- Climate
Arctic algae show climate change
Sediment from Arctic lakes shows that much of the Northern Hemisphere has been warming for many decades.
- Animals
Python Hearts Pump Up
A Burmese python can increase the size of its heart by 40 percent in just two days.
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- 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.
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- 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.
