News
- Plants
Floral Shocker: Blooms shake roots of flowering-plant family
A tiny aquatic plant, once thought to be related to grasses, raises new questions about the evolution of the earliest flowering plants.
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- Earth
New Recipe for Pollution Stew: Another chemical culprit adds to ozone
A reactive chemical in urban air cleans up some pollutants but could introduce another.
- Astronomy
In the Beginning: More early clues for life at home, out there
Astronomers move closer to understanding how life arose on Earth and how it could arise elsewhere.
