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A portrait shot of Beryl Benacerraf, who wears a black shirt and gold necklace and smiles into the camera, on a bluish gray background.
Obstetrics “Giant” Beryl Benacerraf Dies at 73
Benacerraf pioneered the use of ultrasound to diagnose fetal syndromes.
Obstetrics “Giant” Beryl Benacerraf Dies at 73
Obstetrics “Giant” Beryl Benacerraf Dies at 73

Benacerraf pioneered the use of ultrasound to diagnose fetal syndromes.

Benacerraf pioneered the use of ultrasound to diagnose fetal syndromes.

physiology, genetics & genomics

Immunofluorescence image of human tenocytes (cell nuclei in blue, actin in red) with PIEZO1 protein labeled in green (Scale bar: 20 ?m)
Mechanosensory Protein Helps Tendons Stiffen After Exercise
Catherine Offord | Sep 1, 2021 | 2 min read
Researchers identify a role for PIEZO1 in tendon adaptation, and show that people with certain versions of the Piezo1 gene tend to be better jumpers.
A black mouse runs on a yellow and green spinning wheel against a blue background
Exercising During Pregnancy Protects Mouse Offspring
Jack J. Lee | Aug 1, 2021 | 2 min read
Obese mice that exercised while pregnant gave birth to pups that grew up free of the metabolic issues present in the adult young of sedentary obese mothers—possibly by staving off epigenetic changes to a key metabolic gene.
Giving Sweat the Respect It Deserves
Sarah Everts | Jul 13, 2021 | 5 min read
Not only is the humble fluid a boon for keeping humans cool, it also contains a wealth of biological information.
giraffe, genetics & genomics, CRISPR, gene editing, genome, physiology, hypertension, bone growth, techniques, mouse model
Genome Reveals Clues to Giraffes’ “Blatantly Strange” Body Shape
Amanda Heidt | Mar 19, 2021 | 5 min read
The physiological demands of that long neck get support from a gene involved in strengthening bones and blood vessels, researchers find after inserting the sequence in mice.
Genetic Reprogramming Restores Vision in Mice: Study
Max Kozlov | Dec 6, 2020 | 5 min read
Researchers repaired what is otherwise irreversible damage in the animals’ ocular neurons, by activating transcription factors ordinarily used to generate induced pluripotent stem cells.
international space station iss scott kelly
Astronaut Study Shows Some Lasting Changes from Time in Space
Kerry Grens | Apr 11, 2019 | 2 min read
Scott Kelly’s physiology, gene activity, and mental performance changed after time aboard the International Space Station, but mostly returned to normal once back on Earth.
Image of the Day: Life and Death
Carolyn Wilke | Mar 22, 2019 | 1 min read
When hair follicle stem cells lose their protein-based death cue, they take on a new role helping to repair wounds in skin.
Hormone Loss Prevents Obesity and Diabetes in Mice
Abby Olena, PhD | Nov 6, 2017 | 4 min read
Asprosin—involved in a rare disease called neonatal progeroid syndrome—targets neurons to stimulate appetite, and blocking the hormone wards off weight gain in rodents.
Surrogate Genes Enable Reproduction
Jyoti Madhusoodanan | Jan 28, 2016 | 3 min read
Increasing the expression of two genes from non-Y chromosomes restores spermatogenesis in male mice that lack Y chromosomes.
New DNA-based Prenatal Test
Dan Cossins | Mar 1, 2013 | 2 min read
Another company has launched a non-invasive DNA screen for genetic disorders in unborn babies, adding to the competition in an emerging market.
Sexually Confused Dog
Jef Akst | Sep 23, 2011 | 1 min read
A female bulldog with testicles but no SRY gene considered scientific anomaly.
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