News
- Astronomy
Stopping starlight may bring other Earths into focus
Two new telescope concepts compete for NASA’s approval, in hopes of taking the first picture of a life-bearing exoplanet.
- Agriculture
Fertilizer produces far more greenhouse gas than expected
Farmers’ overuse of nitrogen-based fertilizers may explain previously puzzling high emissions of nitrous oxide.
- Neuroscience
Rats feel regret, experiment finds
When they turn down a good meal for a lesser one, rodents regret their choice, a study suggests.
- Materials Science
New invisibility cloak hides in the fog
A simple invisibility cloak relies on hazy environments to mask objects.
