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Blood taste neurons
Science News

Scientists discover mosquitoes’ unique blood-taste detectors

Female mosquitoes are armed with syringe-like stylets that begin to pump furiously only in the presence of blood. Scientists are now studying the specific neurons that line the stylet, and asking what mosquitoes taste when they bite us.
A mouse lung with metastases
Science News

Cancer cells use nerve-cell tricks to spread from one organ to the next

New research suggests that breast and lung tumors metastasize by hijacking a neural signaling pathway, potentially opening the door to better diagnostics and treatments.
Genetically diverse mice
Science News

A revised map of where working memory resides in the brain

Findings from genetically diverse mice challenge long-held assumptions about how the brain is able to briefly hold onto important information.
Image from Casanova lab
Science News

Scientists trace severe COVID-19 to faulty genes and autoimmune condition

The findings explain why some people are so vulnerable to the infection, and suggest new avenues for treatment.
Science News
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In Brief

How dividing cells avoid setting off false virus alarms

A new molecular structure explains how cells hold an alarm-triggering protein captive during cell division, preventing cells from targeting their own DNA.
A cross section of the colon with enteric neurons highlighted
Science News

Microbes in the gut may influence metabolism

A growing number of studies find that microbes in the gut directly influence biological processes from bowel movements to behavior. New research reveals how they impact levels of glucose in the blood.
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In Brief

Scientists uncover antiviral protein that blocks coronavirus infection

New research identifies a protein that blocks infection by SARS-CoV-2, the coronavirus that causes COVID-19, along with several other types. The findings could inform treatment strategies and help us better prepare for future outbreaks.
Epidermal stem cells
Science News

How mechanical forces nudge tumors toward malignancy

Researchers studying two forms of skin cancer identified a long-overlooked factor determining why some tumors are more likely to metastasize than others: the physical properties of the tissue in which the cancer originates. The findings might set the stage for new ways to monitor and treat the di...
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In Brief

Newly discovered anti-CRISPR protein gives viruses a leg up against bacteria

Molecular CRISPR-Cas systems, most commonly known for their usefulness as gene editing tools, are ancient defense mechanisms employed by bacteria against viruses. The discovery of a counteracting viral trick could inform scientists' efforts to develop future gene-editing technologies.
Mouse cortical neurons
Science News

Study uncovers the molecular events by which popular antidepressants work

Scientists have outlined a molecular program by which serotonin reuptake inhibitors reshape the brain to alleviate depression. Their findings provide clues for how to make better and faster-acting versions of these drugs.
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