News
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- Earth
Challenging ethanol’s dirty reputation
An inexpensive way to make ethanol from wood chips reduces net greenhouse gas emissions as much as more costly methods.
- Astronomy
A Phoenix on Mars
A new robotic lander will search the north polar region of Mars for habitability.
- Animals
Twee Twee Tweetle
Bird brains have a separate pathway for the babbling nonsense of baby talk.
- Earth
In the aftermath
The charcoal left after a forest fire stimulates microbial activity that boosts carbon loss from organic material covering the ground.
