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Science

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SLAC National Accelerator Laboratory, lightsource, Stanford Synchrotron Radiation Lightsource, SSRL, Nanocrystals, Superlattices, Materials Science

EMBARGOED

A reporter's PressPass is required to access this story until the embargo expires on 31-Jul-2017 11:00 AM EDT

Science

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Spider, Behavior, Aggressive, Hunting, Personality, PREY

NUS Study: Aggressive Spiders Are Quick at Making Accurate Decisions and Better at Hunting Unpredictable Preys

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Two studies by scientists from the National University of Singapore unveiled interesting findings about the relationship between personality traits of spiders and their decision-making as well as hunting styles.

Medicine

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stroke awareness

EMBARGOED

A reporter's PressPass is required to access this story until the embargo expires on 2-Aug-2017 4:00 PM EDT

Science

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space activity, Supernova

EMBARGOED

A reporter's PressPass is required to access this story until the embargo expires on 31-Jul-2017 10:00 AM EDT

Medicine

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Rett Syndrome, Bdnf, LM22A-4, Neurodevelopmental Disorder, Trkb, Hippocampus, Synaptic Plasticity

Drug Improves Brain Performance in Rett Syndrome Mice

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A brain penetrant drug — a small-molecule mimetic of BDNF, or brain derived neurotrophic factor — is able to improve brain performance in Rett syndrome mice — specifically synaptic plasticity in the hippocampus and object location memory. The hippocampus is involved in learning and memory.

Medicine

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Kidney Donation

US Transplant Centers Frequently Refuse Deceased Donor Kidneys

• From 2007-2012, deceased donor kidneys in the United States were offered a median of 7 times before finally being accepted for transplantation. • Such refusals may have contributed to racial and ethnic disparities that exist in access to transplantation in the United States.

Life

Social and Behavioral Sciences

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Psychology, Child Development, Cognition

Even Babies Can Tell Who's the Boss, UW Research Says

University of Washington researchers have found that the trait of social dominance, and the dynamics surrounding it, may be so naturally ingrained that toddlers as young as 17 months old not only can perceive who is dominant, but also anticipate that the dominant person will receive more rewards.

Medicine

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Genome, DNA, Imaging, Cell Biology

New 3D Imaging Reveals How Human Cell Nucleus Organizes DNA and Chromatin of its Genome

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A team of researchers at the University of California San Diego School of Medicine and the Salk Institute for Biological Studies describe development and application of new electron microscopic imaging tools and a selective stain for DNA to visualize the three-dimensional structure of chromatin — a complex of molecules that helps pack six feet of DNA into each cell nucleus, construct chromosomes and control gene expression and DNA replication.

Medicine

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Can Florida Mosquitoes Transmit New Strains of Painful Chikungunya Virus?

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UF/IFAS researchers used a baseline comparison of infection and transmission rates of Florida mosquitoes to those from the Dominican Republic, a region associated with numerous human cases. Barry Alto, an associate professor of entomology at the UF Institute of Food and Agricultural Sciences, led a team of UF/IFAS researchers that measured mosquito infection and transmission of the emergent strains of chikungunya -- Asian and Indian Ocean – in Aedes aegypti and Aedes albopictus mosquitoes.

Life

Social and Behavioral Sciences

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Psychology, Behavior, Smiles, Emotion

Researchers Crack the Smile, Describing 3 Types by Muscle Movement

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The smile may be the most common and flexible expression, used to reveal some emotions, cover others and manage social interactions that have kept communities secure and organized for millennia. But how do we tell one kind of smile from another?







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