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Pupil Response Predicts Depression Risk in Kids

How much a child’s pupil dilates in response to seeing an emotional image can predict his or her risk of depression over the next two years, according to new research from Binghamton University.

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Sculpting a Cell's Backside

When Greek mythology and cell biology meet, you get the protein Callipygian, recently discovered and named by researchers at The Johns Hopkins University for its role in determining which area of a cell becomes the back as it begins to move.

Life

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Actor Haley Ramm and Cast of ABC Family’s Chasing Life Take the #Pajama Challenge for #AARDA and #Autoimmune Awareness

Actress Haley Ramm and the cast of ABC Family's "Chasing Life" accept the pajama challenge for the Autoimmune Disease Association and autoimmune disease awareness.

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Scientists Drive Tiny Shock Waves Through Diamond

Researchers have used an X-ray laser to record, in detail never possible before, the microscopic motion and effects of shock waves rippling across diamond. The technique, developed at the Department of Energy's SLAC National Accelerator Laboratory, allows scientists to precisely explore the complex physics driving massive star explosions, which are critical for understanding fusion energy, and to improve scientific models used to study these phenomena.

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Cellular Sentinel Prevents Cell Division When the Right Machinery Is Not in Place

For cell division to be successful, pairs of chromosomes have to line up just right before being swept into their new cells, like the opening of a theater curtain. They accomplish this feat in part thanks to structures called centrioles that provide anchors for the curtain’s ropes. Researchers recently learned that most cells will not divide without centrioles, and they found out why: The protein p53 monitors centriole numbers to prevent potentially disastrous cell divisions.

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Safer, with More Benefits: Parents’ Vaccine Views Shifting

Over the same time period that multiple outbreaks of measles and whooping cough made headlines around the country, parents’ views on vaccines became more favorable.

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Long-Term Memories Are Maintained by Prion-Like Proteins

Research from Eric Kandel’s lab has uncovered further evidence of a system in the brain that persistently maintains memories for long periods of time.

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First Comprehensive Analysis of the Woolly Mammoth Genome Completed

The first comprehensive analysis of the woolly mammoth genome reveals extensive genetic changes that allowed mammoths to adapt arctic life, including skin and hair development, insulin signaling, fat biology, and even traits such as small ears and short tails. A mammoth gene for temperature sensation was resurrected in the lab as a functional test.

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EMBARGOED

A reporter's PressPass is required to access this story until the embargo expires on 8-Jul-2015 12:05 AM EDT

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In Blinding Eye Disease, Trash-Collecting Cells Go Awry, Accelerate Damage

Spider-like cells inside the brain, spinal cord and eye hunt for invaders, capturing and then devouring them. These cells, called microglia, often play a beneficial role by helping to clear trash and protect the central nervous system against infection. But a new study by researchers at the National Eye Institute (NEI) shows that they also accelerate damage wrought by blinding eye disorders, such as retinitis pigmentosa. NEI is part of the National Institutes of Health.