Neuroscience
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Animals
Frustrated fish get feisty
Smaller rainbow trout become more aggressive towards bigger fish when they don’t their usual treats.
By Susan Milius -
Neuroscience
Pain curbs sex drive in females, but not males
When in pain, female mice’s interest in sex takes a hit but males still want to mate.
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Neuroscience
Bingeing rats show the power of food habits
Rats allowed to binge on sweetened milk show a bad habit for food. But while food might change our habits, a bad food habit may not necessarily be an addiction.
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Life
Insulating sheath on nerve cells isn’t an even coat
Myelin doesn't evenly coat axons, a finding that runs counter to what scientists suspected.
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Neuroscience
Poor slumber is bad for young flies’ brains
A child's sleep deprivation could alter brain development and adult behavior, a study of fruit flies suggests.
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Neuroscience
Even with rest, brain changes linked to football linger
The offseason may not allow enough time for football players' brains to heal from hard hits.
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Neuroscience
What’s behind rising autism rates
Better diagnosis may be driving a recent spike in autism.
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Neuroscience
Smell wiring gets set early
Mess with a baby mouse’s olfaction for too long and neurons never recover.
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Humans
Father’s obesity linked to autism in children
A father-to-be’s body mass may be a greater risk factor for his child’s development of autism than the body mass of the mother.
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Neuroscience
Paralyzed mouse legs move with burst of light
Neural patch makes leg muscles twitch in paralyzed mice when blue light shines.
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Neuroscience
Brain’s growth, networks unveiled in new maps
Two large-scale efforts describe human and mouse brains in detail.
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Neuroscience
Lost sleep could mean lost neurons
A new study shows we may not be able to make up for chronic sleep deprivation. The protein SirT3 might protect us against late nights, but all-nighters may produce neuron loss.