Animals
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PlantsBeetle 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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NeuroscienceBees may merge their flower memories
Bumblebees sometimes prefer fake flowers with the combined patterns and colors of ones seen before, suggesting they merge memories of past experiences.
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AnimalsSome cicadas drum up a beat with the help of their wings
By using their wings as drumsticks, so-called “mute” cicadas can make themselves heard.
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LifeThe eyes have it: Long lashes not so lovely
Eyelashes can’t be too short or too long without ruining their aerodynamic protection.
By Susan Milius -
AnimalsWhere an ant goes when it’s gotta go
Scientists found black garden ants defecating in certain spots inside their nests. The researchers say these spots serve as ant toilets.
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AnimalsFive surprising animals that play
No one is shocked to find playful behavior in a cat, dog or other mammal. But scientists have documented play in plenty of other species, including reptiles and insects.
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AnimalsFlamboyant old bustards keep showing off
Among outrageously flirtatious birds called houbara bustards, old males may pay a penalty for years of extreme display.
By Susan Milius -
AnimalsOcean animals have bulked up since ancient eras
Marine animals today are much larger on average than they were in the Cambrian Period.
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EcosystemsBluebird moms inadvertently fuel wars between species
Extra hormones delivered to eggs holding sons in tough times end up driving one bluebird species to chase off another
By Susan Milius -
AnimalsCliff swallow breeding thwarted by bird version of bedbugs
A 30-year study of cliff swallows in Nebraska finds that the birds will abandon nests, rather than have a second brood, when their homes are infested with swallow bugs.
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EcosystemsFooled you! Whirling tails of luna moths deflect bat attacks
Luna moths can use their tails to reflect the echolocation pings of bats, tricking the predators into striking the tails instead of less expendable body parts.
By Susan Milius -
GeneticsFor penguins, it’s a matter of no taste
Penguins lack taste genes for bitter, sweet and umami.