Earth
- Animals
Missing moose
By studying population patterns, scientists hope to figure out why moose in some areas are in trouble.
- Earth
A great quake coming?
The 100th anniversary of the great San Francisco earthquake is a reminder that future quakes could cause even more damage.
- Earth
Coral islands survive a tsunami
Tiny islands far out in the ocean can weather the giant waves of a tsunami.
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- Environment
Coral gardens
An expedition to an undersea mountain reveals large corals, brilliant sponges, and other strange sea creatures.
- Climate
Warmest year on record
Last year's worldwide average temperature was the highest ever recorded by scientists.
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- Environment
Out in the cold
With pollution, over-fishing, and shrinking habitats, the life of a penguin isn't getting any easier.
- Physics
Earth’s lowly rumble
From rumbling volcanoes to grumbling elephants, scientists are eavesdropping on the lowest sounds on Earth.
- Environment
Forests as a tsunami shield
Trees appear to protect seaside settlements from the worst effects of a tsunami.
- Earth
Detecting an eerie sea glow
At night, glowing bacteria can give large areas of the sea a surreal milky color.
- Environment
Unnatural disasters
The actions of people can make the destruction caused by hurricanes worse than it would be otherwise.
