Plants
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Plants
Beetle RNA makes crops a noxious meal
When beetles munch plants bearing their RNA, genes the bugs need to survive are turned off.
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Plants
Fairly bad pitcher traps triumph in the end
Carnivorous pitcher plant traps rarely catch much, but their lackadaisical hunting turns out not to be so lame after all.
By Susan Milius -
Plants
Huge, hollow baobab trees are actually multiple fused stems
The trunk of an African baobab tree can grow to be many meters in diameter but hollow inside. The shape, researchers say, occurs when several stems fuse together.
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Plants
Isaac Newton’s theory of how water defies gravity in plants
A passage in one of Isaac Newton’s journals reveals that he may have theorized basic plant hydrodynamics long before botanists.
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Plants
Plant chemical weaponry may offer ammunition for pesticides
Chemicals produced by two plant species disrupt insect hormone pathways and could be developed in to efficient, safe pesticides.
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Plants
Tricky pitcher plants lure ants into a false sense of security
Carnivorous pitcher plants exploit social lives of ants as scouts escape and inadvertently lead nest mates to death trap.
By Susan Milius -
Genetics
The year in genomes
From the tiny Antarctic midge to the towering loblolly pine, scientists this year cracked open a variety of genetic instruction manuals to learn about some of Earth’s most diverse inhabitants.
By Meghan Rosen -
Genetics
Orchid genome may save highly endangered species
The sequenced genome of the orchid Phalaenopsis equestris offers some hints about a different form of photosynthesis and how the flowers of the plant got their specialized shape.
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Animals
Fully formed froglets emerge from dry bamboo nurseries
In remote India, a rare frog mates and lays eggs inside bamboo stalks. The eggs hatch into froglets, forgoing the tadpole stage.
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Health & Medicine
Cocoa antioxidants boost the aging brain
High doses of cocoa flavanols can improve some types of brain function in older individuals, a new study shows.
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Plants
How female ferns make younger neighbors male
Precocious female ferns release a partly formed sexual-identity hormone, and nearby laggards finish it and go masculine.
By Susan Milius -
Environment
Engineered plants demolish toxic waste
With help from bacteria, plants could one day clean up polluted sites.
By Beth Mole