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Dopamine neurons
Science News

Learning from experience is all in the timing

Animals learn the hard way which sights, sounds, and smells are relevant to survival. New research in flies shows that the timing of these cues plays an important role in how mental associations arise, and elucidates brain pathways involved in this process.
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In Brief

New molecular diagnostics test could help guide lupus treatments

A tool that detects glitches in gene expression could help doctors tailor treatments for lupus-related kidney damage.
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In Brief

New research shows that mosquitoes sense repellent through their legs

Scientists made the surprising discovery that the insects’ displeasure for touching DEET, the active ingredient in many repellents, helps prevent bites.
Bacteriophages inject their DNA into bacteria, typically resulting in the bacterium’s demise. CRISPR-Cas systems defend bacteria against these attacks.
Science News

To curb infection, bacteria direct their defenses against themselves

To fight off invading viruses, bacteria have evolved a slew of creative defense tactics. New research shows that in some cases, microbes go to great lengths to keep an infection from spreading, even destroying bits of their own genetic material.
Newly-developed molecules bind to a key enzyme pocket to inhibit its activity, and possibly prevent autoimmune responses.
Science News

New compounds could be used to treat autoimmune disorders

In autoimmune disorders, the body’s defense system erroneously attacks normal cells, leading to serious health problems. Researchers have developed new molecules that potentially could be used to treat many of these conditions.
Immune system of intestine
Science News

New study reveals gut segments organized by function, and opportunities for better drug design

New findings provide insights about how the intestine maximizes nutrient uptake, while at the same time protecting the body from potentially dangerous microbes.
Here, a winner (red) engulfs a loser (green)
Science News

Cellular rivalry promotes healthy skin development

Scientists have discovered a curious phenomenon taking place in mouse skin: cells compete with one another for the chance to develop into mature tissue. The findings indicate that this antagonism is key to creating healthy skin.
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In Brief

Researchers find genetic link to tuberculosis

Rockefeller scientists have identified a genetic condition that makes people prone to developing tuberculosis. In a British population, they found that the condition underlies one percent of cases of the disease—a finding that may ultimately lead to new treatment options.
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In Brief

Study explores genetic differences among people’s gut microbes, and their health consequences

Scientists have found that small genetic differences can cause the same gut microbe to behave differently in different people, and affect the overall health of their human hosts.
Human astrocytes
Science News

Research on repetitive worm behavior may have implications for understanding human disease

Studying microscopic worms, Rockefeller scientists have identified a brain circuit that drives repetitive behavior—providing potential clues for understanding some human psychiatric conditions.
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