Animals
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AnimalsMost illegal ivory is less than three years old
Most of the ivory seized by law enforcement in the last decade doesn’t come from elephants poached many years ago.
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AnimalsMost illegal ivory is less than three years old
Most of the ivory seized by law enforcement in the last decade doesn’t come from elephants poached many years ago.
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LifeCity dolphins get a boost from better protection and cleaner waters
Bottlenose dolphins near Adelaide, Australia, are slowly growing in number due to better environmental conditions and better protection.
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GeneticsGene gives mice and chipmunks their pinstripes
A recycled regulator paints on rodents’ light stripes.
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PaleontologyEarly birds could achieve liftoff
Early birds and other flying dinosaurs had the strong legs and wing speed needed to launch into the air directly from the ground, researchers argue.
By Meghan Rosen -
GeneticsAncient hookups gave chimps a smidge of bonobo DNA
Genetic evidence suggests bonobos and chimpanzees interbred after becoming separate species.
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ClimateClimate change shifts how long ants hang on to coveted real estate
Simulated climate warming reveals a new pattern in turnover of ant nests.
By Susan Milius -
AnimalsWith climate change, grizzly bears may hibernate less
New research shows that food availability and weather are driving when grizzly bears enter and exit their dens for hibernation.
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AnimalsMaps show genetic diversity in mammals, amphibians around the world
Maps of genetic diversity within mammal and amphibian species provide a baseline for understanding the effects of human activity and climate change on animals.
By Kate Travis -
ArchaeologyWild monkeys throw curve at stone-tool making’s origins
Monkeys that make sharp-edged stones raise questions about evolution of stone tool production.
By Bruce Bower -
AnimalsMelatonin makes midshipman fish sing
Melatonin lets people sleep but starts male midshipman fish melodiously humming their hearts out.
By Susan Milius -
AnimalsBerries may give yellow woodpeckers a red dye job
A diet of invasive honeysuckle berries may be behind stray red feathers in woodpeckers called yellow-shafted flickers.