Arabidopsis thaliana flowers
Plants Use RNA to Talk to Neighbors
A study finds that plants sharing the same growth medium can exchange microRNAs that silence genes in the recipient, suggesting the nucleic acids may act as signaling molecules.
ABOVE: Peggy Greb, USDA ARS
Plants Use RNA to Talk to Neighbors
Plants Use RNA to Talk to Neighbors

A study finds that plants sharing the same growth medium can exchange microRNAs that silence genes in the recipient, suggesting the nucleic acids may act as signaling molecules.

A study finds that plants sharing the same growth medium can exchange microRNAs that silence genes in the recipient, suggesting the nucleic acids may act as signaling molecules.

ABOVE: Peggy Greb, USDA ARS
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Bisrat Debeb Models How Cancer Spreads to the Brain
Catherine Offord | Apr 1, 2021
From his student days in veterinary medicine in Ethiopia to running a lab on metastasis at MD Anderson Cancer Center, Debeb has a passion for understanding how living things work.
rugby, concussion, brain injury, concussion, trauma, saliva, spit, test, noninvasive, diagnostic, microRNA, small noncoding RNA, PCR, RNA
Simple Spit Test Could Diagnose Concussions
Asher Jones | Mar 24, 2021
A noninvasive saliva test accurately identified concussions in a study of hundreds of rugby players.
a woman sitting on a bed with her head in her arms
Blood MicroRNA Patterns Linked to Chronic Fatigue Syndrome
Katarina Zimmer | Nov 30, 2020
A finding of distinct patterns of gene-regulating RNA snippets in the blood of ME/CFS patients in response to a stress test could pave the way for a diagnostic tool for the condition and help untangle its underlying mechanisms.
Q&A: How Animals Change in Space
Jef Akst | Nov 25, 2020
Weill Cornell Medicine geneticist Christopher Mason speaks with The Scientist about a bolus of new work on the physiological, cellular, and molecular effects of leaving Earth.
the knees of a woman sitting on grass outside
Adult Humans Can Regenerate Cartilage: Study
Shawna Williams | Oct 10, 2019
Collagen inside ankles has more turnover than that in hips, thanks to the action of microRNAs.
Speaking of Cancer Research
Tanya Lewis, Jef Akst, Mary Beth Aberlin | Apr 20, 2016
A selection of notable quotes from the annual American Association for Cancer Research meeting
Sperm RNAs Transmit Stress
Kate Yandell | Oct 19, 2015
Stressed male mice can pass on an abnormal stress response to their offspring via microRNAs found in sperm, a study shows.
Benjamin tenOever: Going Viral
Kerry Grens | Jan 1, 2014
Professor, Microbiology, Icahn School of Medicine at Mount Sinai. Age: 36
Circular RNA Surprise
Dan Cossins | Feb 28, 2013
Previously enigmatic circular RNAs have been found to influence gene expression by binding to and blocking another class of regulatory RNA, the microRNAs.
Brain Evolution at a Distance
Hannah Waters | Dec 6, 2011
Gene expression controlled from afar may have spurred the spurt in brain evolution that led to modern humans.