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A woman sleeping in a bed.
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Hippocampal Neurons Also Need Time To Rest and Restore During Sleep

While everyone knows that a good night’s sleep restores a person’s energy, a new study finds it resets another vital function: memory. At certain times during deep sleep, certain parts of the hippocampus go silent, allowing those neurons to reset.
Cells in the hippocampus of a mouse, labelled in magenta.
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The Memory for One Experience Is Stored in Multiple Parallel “Copies”

How the brain could regulate a memory’s dynamics was a mystery – until multiple memory copies were discovered.
A 3D model of a human heart.
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High-Risk Gene Variant Doubles Heart Disease Danger with Other Risk Factors

Scientists have unveiled critical insights into the influence of high-proportion spliced-in titin truncating variants, or hiPSI TTNtv, on cardiovascular disease risk. The study examines how these genetic variants can elevate the risk of heart disease.
Fluorescently labeled cells in the spinal cord of a zebrafish recovering one week after an injury.
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Zebrafish Reveal Neuron Protection as Critical Step in Spinal Cord Regeneration

Researchers at Washington University School of Medicine in St. Louis describe the dramatic changes within nerve cells that make regeneration possible. Such findings could inspire the development of new therapies for spinal cord injuries in people.
A fluorescent microscope image of Caulobacter crescentus cells stained to image their membranes.
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Unexpected Protein Role in Bacteria May Lead to Stronger Antibiotics

In what they labeled a “surprising” finding, Johns Hopkins Medicine researchers studying bacteria from freshwater lakes and soil say they have determined a protein’s essential role in maintaining the germ’s shape.
Adipose tissue of a mouse with white and beige fat cells.
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New Class of Beige Fat Cells Linked to a Leaner Physique and Better Metabolic Health

An international research team has discovered and described a new type of beige fat cells, which differ from the ones that were already known. The cells consume energy and produce heat through seemingly pointless biochemical reactions.
Cells forming part of the thymus.
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Aging Immune System Linked to Two Distinct Cell Types

A WEHI study could help solve a long-standing mystery into why a key immune organ in our bodies shrinks and loses its function as we get older. In a world-first, researchers have uncovered new cells that drive this ageing process in the thymus.
Three rats, the center one looking toward the camera eating some food.
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CRISPR Technology Used To Edit Nile Grass Rat Genomes for the First Time

Researchers have successfully used CRISPR-based genome editing to modify the genome of Nile grass rats, a diurnal rodent with similar sleep/wake patterns to humans.
An alarm clock.
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New Research Finds Rapid Molecular Shifts in Your 40s and 60s

If it’s ever felt like everything in your body is breaking down at once, that might not be your imagination. A new Stanford Medicine study shows that many of our molecules and microorganisms dramatically rise or fall in number during our 40s and 60s.
Orange cells on a blue background.
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New Manipulation Technique Could Open the Door to Stem Cell Therapy

A new technique developed by McGill researchers for mechanically manipulating stem cells could lead to new stem cell treatments.
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