Cells lining the intestinal tract form a critical barrier, protecting our bodies from the billions of bacteria living in the gut. Breaches in this barrier are driven largely by a single signaling molecule called tumor necrosis ...
Feb 16, 2015
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589
Biomedical engineers at Duke University have developed an automated process that can trace the shapes of active neurons as accurately as human researchers can, but in a fraction of the time.
Apr 12, 2019
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After each one of those big meals you ate over the holidays, the cells lining your stomach and intestines released hormones into the bloodstream to signal the brain that you were full and should stop eating.
Jan 6, 2015
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392
A father in Louisiana bludgeoned and beheaded his disabled 7-year-old son last August because he no longer wanted to care for the boy.
Dec 14, 2011
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Is it possible for an adult brain to make new nerve cells? Scientists have debated this question for decades, with many concluding that neuron-making stops after childhood, or around the age of 13.
Mar 10, 2020
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632
Looking around at a 20th high school reunion, you might notice something puzzling about your classmates. Although they were all born within months of each other, these 38-year-olds appear to be aging at different rates.
Jul 6, 2015
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224
Increased communication between distant brain regions helps older adults compensate for the negative aspects of aging, reports a new study published this week in Human Brain Mapping.
Sep 15, 2017
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210
Some habits are helpful, such as automatically washing your hands before a meal or driving the same route to work every day. They accomplish an important task while freeing up valuable brain space.
Sep 6, 2017
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439
To see under starlight and moonlight, the retina of the eye changes both the software and hardware of its light-sensing cells to create a kind of night vision. Retinal circuits that were thought to be unchanging and programmed ...
Sep 13, 2018
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279
As many people know, bladder infections can be a painful and recurring condition, and those who are prone to the infections often report they have to "go" with greater frequency and urgency.
May 19, 2020
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