Life
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EnvironmentWildlife forensics turns to eDNA
Environmental DNA, or eDNA, tells biologists what species have been around — even when they’re out of sight or have temporarily moved on.
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AnimalsKangaroo farts: Not so ‘green’ after all?
Scientists had thought that kangaroo farts were environmentally friendly because they had little methane. That may not always be true.
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BrainWhen every face is a stranger’s face
Some people can’t recognize faces — any faces, even their mother’s. Scientists are working to understand this ‘face blindness’ and help those who suffer from it.
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GeneticsGene editing creates buff beagles
Scientists showed that a potentially useful new gene-editing tool can work in dogs. It created a pair of adorable, muscular puppies. But the goal is to use it for other research purposes.
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EcosystemsTwo SNS writers win big
Here’s a Cool Job: writing about science. Two people who regularly do that for SNS have just picked up awards for stories on the physics of lightning and how nature recycles the dead to feed the living.
By Janet Raloff -
BrainScientists Say: Neurotransmitters
When brain cells need to communicate, they use chemicals as messengers. These molecules have a special name.
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LifeScientists discover itch-busting cells
A study in mice finds the body has a special way of dealing with an itch that’s caused by a light touch. The results could lead to treatments for chronic itch.
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MicrobesSlime cities
Biofilms are like tiny cities of bacteria — some harmless, others destructive. Scientists are learning how to keep these microscopic metropolises under control.
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BrainLessons from failure: Why we try, try again
We all suffer failures. But we don’t always try again. Focusing on what they can be learned might help people keep going, brain imaging data now show.
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LifeNews Brief: Rare gem may hold earliest sign of life
This fossil, such as it is, offers no indication of what that life might have looked like. It merely holds carbon in a form typical of the type preferentially collected by living organisms.
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AnimalsCool Jobs: Crazy about cows
Scientists are studying cows from one end to the other, with the goal not only of making the animals healthier but also of helping the environment.
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AnimalsNew site for where wild canines became dogs
By studying the genetics of living dogs from around the world, scientists think they may have homed in on the origins of dog domestication: Central Asia.