Earth
We summarize the week's scientific breakthroughs every Thursday.
- Animals
Climate change discourages second families
Birds out of sync with local baby food supply of caterpillars aren’t nesting a second time.
- Tech
Catalyst knocks out a smog maker
Unique system could help truckers meet new emissions standards.
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- Climate
Hot carbon storage
New field studies show Africa’s tropical forests have stored carbon in recent decades.
- Astronomy
A green visitor makes its approach
Comet Lulin, which passes closest to Earth on February 24, may be a sight for sore eyes.
- Agriculture
Predators zoom in on lice-infested salmon
New research reveals another impact of fish farming on wild stocks.
- Humans
AAAS: Climate-friendly fish
Many intangibles determine how big — or small — the carbon footprint is of that fish you're thinking about eating.
- Health & Medicine
MRSA has its day in the sun
Beachgoers may be exposed to antibiotic-resistant microbe strain in sea and sand, but there appears to be no link to infection.
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- Climate
The hidden costs of better fuels
Whether crop-based biofuels will reduce greenhouse gas emissions depends on how, and where, they're grown.
- Planetary Science
Earth may be home to unearthly life
No need to look on other planets for new forms of life — weird life could exist right here on Earth.
- Humans
AAAS: March of the Hungry Penguins
Patagonian penguins have become sentinels of climate change and human impacts on the marine world.
