Plants
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		PlantsPrions may help plants remember
A plant protein has passed lab tests for prionlike powers as molecular memory.
By Susan Milius - 			
			
		PlantsNew species of tumbleweed is just as bad as its parents
Two species of invasive tumbleweeds hybridized into a third. A new study finds it probably will be invasive, too.
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		MicrobesDiverse yeasts make their home on coffee and cacao beans
Yeasts in coffee and cacao are shaped by geography and human migration, genetic analysis finds.
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		EcosystemsAustralian fairy circles first to be found outside Africa
Strange patterns of grassland bald spots called fairy circles show up in Western Australia.
By Susan Milius - 			
			
		PlantsHow to keep seagrasses as happy as a clam
Drought can do more damage to seagrass meadows if their partnership with clams break down.
By Susan Milius - 			
			
		ClimateEarlier blooming intensifies spring heat waves in Europe
The early arrival of spring plants due to climate change amplifies springtime heat waves in Europe, new climate simulations suggest.
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		ClimateForest management not so hot at fighting warming
Forest management practices in Europe have slightly worsened climate change, new research shows.
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		PlantsTo catch a meal, a Venus flytrap counts to five
It takes two taps to trigger a Venus flytrap to close. Another three, a new study finds, are needed to turn on genes for producing enzymes.
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		AnimalsAlien species fly on the wings of ducks and other waterbirds
Ducks, geese and other waterbirds can transport nonnative species and help alien invaders establish themselves.
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		PlantsSingle gene influences a petunia’s primary pollinator
Mutations on a single gene determine how much ultraviolet light a petunia flower absorbs, and in turn, which animal pollinates the flower.
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		PlantsPretty flower uses dead arthropods to lure protectors
A sticky columbine from California lures arthropods to their death to lure protectors to the plant, a new study suggests.
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		LifeDNA doubled in conifer ancestors
The genomes of conifers — pine, cypress and yew trees — doubled twice in the distant past.