News
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Planetary ScienceA discordant name for a dwarf planet
The largest known object at the fringes of the solar system, the icy body whose discovery heated up the debate about the nature of planethood, has an apt new name.
By Ron Cowen -
AnimalsScent Stalking: Parasitic vine grows toward tomato odor
A wiry orange vine finds plants to raid for nutrients by growing toward their smell. With video.
By Susan Milius -
Health & MedicineMixed Bag: Islet-cell transplants offer good and bad news
Most people who've received transplanted islet cells for type 1 diabetes still need daily insulin shots, but the transplanted cells curb blood sugar crashes.
By Nathan Seppa -
EarthGassy Bugs: Microbes may produce propane under the sea
Microbes deep under the ocean's floor could be the source of some ethane and propane found in sediments.