Earth
-
Agriculture
Where do you eat?
Here's proof that we spend too much time mindlessly consuming food.
By Janet Raloff -
Climate
Hot carbon storage
New field studies show Africa’s tropical forests have stored carbon in recent decades.
By Sid Perkins -
Astronomy
A green visitor makes its approach
Comet Lulin, which passes closest to Earth on February 24, may be a sight for sore eyes.
By Ron Cowen -
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.
By Janet Raloff -
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.
-
Earth
AAAS: Climate-friendly dining … meats
The carbon footprints of raising livestock for food.
By Janet Raloff -
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.
By Janet Raloff -
Agriculture
AAAS: Stress Can Make Plants More Nutritious
People who aren't veggie lovers might want to seek out types of produce that deliver an especially big nutrient bang for the gram.
By Janet Raloff -
Space
Cosmic mystery
High-energy invaders from space could signal a nearby pulsar, or perhaps dark matter.
By Susan Gaidos