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Evolutionary ‘arms race’ may help keep cell division honest
Evolutionary ‘arms race’ may help keep cell division honest
Research from the lab of Michael Lampson in the School of Arts & Sciences suggests that certain proteins may have evolved to reduce the likelihood of chromosomes “cheating” to bias their chance of winding up in an egg during the cell-division process meiosis.
Forging healthy bonds with canine companions
Forging healthy bonds with canine companions
School of Veterinary Medicine postdoc Lauren Powell’s research illuminates how the personalities of both dogs and their owners influence the pairs’ ability to overcome behavioral challenges.
Tracking the earliest steps in parasite infection
Tracking the earliest steps in parasite infection
The parasite Cryptosporidium, a leading global cause of diarrheal diseases in children, injects host cells with a cocktail of proteins. Using powerful video microscopy, School of Veterinary Medicine researchers tracked the process in real time.
Support and inspiration for undergrads pursuing careers in health care
Support and inspiration for undergrads pursuing careers in health care
The three-day-long National Pre-Health Conference, the brainchild of rising senior Alejandra Bahena, begins Aug. 4.
Rewiring cell division to make eggs and sperm
Rewiring cell division to make eggs and sperm
Research by the School of Arts & Sciences’ Michael Lampson and Jun Ma, collaborating with Whitehead Institute researchers, reveals how a key protein enables the process of meiosis to unfold.
New engineering approaches to address unmet oral health needs
New engineering approaches to address unmet oral health needs
With a new NIH training grant, awards, and new faculty and publications, the recently launched Center for Innovation & Precision Dentistry is leveraging technological advancements to improve oral health.
The search for the culprit behind songbird deaths
The search for the culprit behind songbird deaths
Across the United States, songbirds are dying from a mysterious condition. Working with long-established partners, researchers at the School of Veterinary Medicine are striving for a diagnosis.
A COVID vaccine for kids
A COVID vaccine for kids
Jeff Gerber, who is heading the clinical trial of the Moderna vaccine in kids under 12 at CHOP, speaks with Penn Today about the trial and why getting children vaccinated is so essential.
High-ranking hyena mothers pass their social networks to their cubs
High-ranking hyena mothers pass their social networks to their cubs
Using 27 years of detailed data on hyena social interactions, a team led by Penn biologists nailed down a pattern of social network inheritance and its implications for social structure, rank, and survival.
Digging into the government report on UFOs
Digging into the government report on UFOs
In a Q&A, historian of science Kate Dorsch illuminates the history behind reporting and investigating UFO sightings and contextualizes the new government report on such phenomena.