Deep-brain stimulation during sleep strengthens memory

New research provides the first physiological evidence from inside the human brain supporting the dominant scientific theory on how the brain consolidates memory during sleep. Further, deep-brain stimulation during a critical time in the sleep cycle appeared to improve memory consolidation.

from Top Health News -- ScienceDaily https://ift.tt/Dx2oV6J

Why do some people live to be 100? Intestinal bacteria may hold the answer

Some people live longer than others -- possibly due to a unique combination of bacteria in their intestines, new research concludes.

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Why do some people live to be 100? Intestinal bacteria may hold the answer

Some people live longer than others -- possibly due to a unique combination of bacteria in their intestines, new research concludes.

from Top Health News -- ScienceDaily https://ift.tt/NkFKXah

A nanocrystal shines on and off indefinitely

Optical probes have led to numerous breakthroughs in applications like optical memory, nanopatterning, and bioimaging, but existing options have limited lifespans and will eventually 'photobleach.' New work demonstrates a promising, longer-lasting alternative: ultra-photostable avalanching nanoparticles that can turn on and off indefinitely in response to near-infrared light from simple lasers.

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The clams that fell behind, and what they can tell us about evolution and extinction

A new study examined how bivalves -- the group that includes clams, mussels, scallops, and oysters -- evolved among many others in the period of rapid evolution known as the Cambrian Explosion. The team found that though many other lineages burst into action and quickly evolved a wide variety of forms and functions, the bivalves lagged behind. The study has implications for how we understand evolution and the impact of extinctions.

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Open-analysis platform for pediatric brain tumors provides robust data resource for childhood cancer research

Researchers have partnered to create a first-of-its-kind open-source, reproducible analysis platform for pediatric brain tumors. With the help of thousands of genomically sequenced samples, researchers have used this platform to identify initial findings about genetic variants associated with poorer outcomes that could help guide future diagnostic and therapeutic advances.

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Study leads to milestone advances in understanding lethal bronzing of palm trees

Scientists have identified a key chemical associated with lethal bronzing (LB) infected palm trees. LB is a bacterial disease that kills more than 20 species of palm trees in the Southern United States and Caribbean and has been devastating the Florida green industries for nearly two decades.

from Latest Science News -- ScienceDaily https://ift.tt/lpn1f9d