Plants
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Plants
Cactus spine shapes determine how they stab victims
The shapes of cactus spines influence how they poke passersby.
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Ecosystems
How researchers flinging salmon inadvertently spurred tree growth
Scientists studying salmon in Alaska flung dead fish into the forest. After 20 years, the nutrients from those carcasses sped up tree growth.
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Archaeology
Ancient South Americans tasted chocolate 1,500 years before anyone else
Artifacts with traces of cacao push back the known date for when the plant was first domesticated by 1,500 years.
By Bruce Bower -
Plants
Liverwort plants contain a painkiller similar to the one in marijuana
Cannabinoids found in liverwort plants could spell relief for those suffering from chronic pain.
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Agriculture
Plants engineered to always be on alert don’t grow well
Scientists bred a type of weed to lack proteins that help stem the production of bitter chemicals used to ward off insect attacks.
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Life
Dandelion seeds create a bizarre whirlpool in the air to fly
Researchers have deciphered the physics underlying dandelion flight.
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Plants
50 years ago, a 550-year-old seed sprouted
Old seeds can sprout new plants even after centuries of dormancy.
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Life
Lemur study suggests why some fruits smell so fruity
A new test with lemurs and birds suggests there’s more to fruit odors than simple ripening.
By Susan Milius -
Plants
Gene editing can speed up plant domestication
CRISPR/Cas9 replays domestication to make better ground cherries and tomatoes.
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Plants
Smart plants can teach us a thing or two
‘The Revolutionary Genius of Plants’ challenges the brain-centered view of intelligence.
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Agriculture
How plant microbes could feed the world and save endangered species
Scientists have only scratched the surface of the plant microbiome, but they already believe it might increase crop yield and save species from extinction.
By Amber Dance -
Life
How the poppy got its pain-relieving powers
Analyzing the poppy’s genome reveals the evolutionary history of morphine.