Animals
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AnimalsDelicate spider takes down tough prey by attacking weak spots
The Loxosceles gaucho recluse spider can take down a heavily armored harvestman by attacking its weak spots, a new study reveals.
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LifeSexual conflict in mosquitoes may have worsened spread of malaria
Sexual conflict in Anopheles mosquitoes may have intensified their power to fuel human malaria.
By Susan Milius -
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.