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Biology
Frigid polar oceans, not coral reefs, are hot spots for formations of fish species
Tropical waters contain a dazzling diversity of fish species compared to colder ocean areas. Yet a new study paradoxically indicates that the colder waters are home to the highest species formation rates.
Boosting testosterone makes men prefer higher-status products
A study out of the Wharton School found that a single dose of testosterone increased men's preference for luxury, high-status items, mimicking animal behavior.
Using statistics to uncover the truth about individual cells
Researchers at Penn have developed a better method for interpreting data from single-cell RNA sequencing technologies.
Fine arts professor marries art and science on the Schuylkill River banks
Fine Arts lecturer Deirdre Murphy answered a call for artists for Penn's Ecotopian Toolkit project with a piece based on the migratory patterns of birds on the Schuylkill River, right in her backyard.
Digitized plant collection to answer how living in a ‘megalopolis’ affects flora
Digital records of the roughly 800,000 plant specimens from five mid-Atlantic states will create a digital herbarium, a database covering 400 years of native flora.
The varying skin colors of Africa: Light, dark, and all in between
A team of geneticists led by Sarah Tishkoff, a Penn Integrates Knowledge Professor, has shown that there is a huge amount of variation of skin color within Africa, ranging from skin as light as some Asians to the darkest skin on a global level.
Two faculty members elected to National Academy of Sciences
Shelly Berger and Karen Goldberg are among 84 new members elected to the National Academy of Sciences, one of the highest honors for a scientist.
Shepherding discoveries from the lab to the pharmacy
In a new book, a biochemist, a sociologist, and an economist share insights into how biomedical discoveries become marketable innovations.
Opening the Teach-in by breaking down barriers
The first full day of the Penn Teach-in engaged participants with expert panels on vaccine denial and firearm violence, an "evolutionary walk through time," and a dialogue on the production and dissemination of knowledge.
5.5 million-year-old fossil turtle species sheds light on invasive modern relatives
A University of Pennsylvania paleontologist has described a 5.5 million-year-old fossil species of turtle from eastern Tennessee. It represents a new species of the genus Trachemys, commonly known as sliders, which are frequently kept as pets today.
In the News
Man does DNA test, not prepared for what comes back ‘unusually high’
César de la Fuente of the School of Engineering and Applied Science and Perelman School of Medicine says that Neanderthal DNA provides insights into human evolution, population dynamics, and genetic adaptations, including correlations with traits such as immunity and susceptibility to diseases.
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Bird flu virus has been spreading in U.S. cows for months, RNA reveals
Louise Moncla of the Veterinary School of Medicine says that the bird flu virus is clearly being transmitted to cows in some way.
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When is the best time to take L-theanine—morning or night?
According to Colleen Tewksbury of the School of Nursing, research suggests that L-theanine may help support stress management, sleep, and potentially weight management.
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Is the flu shot market a slam dunk for mRNA vaccines? Experts aren’t so sure
Scott Hensley of the Perelman School of Medicine is working on a flu vaccine to provide protection against 20 subtypes of flu that may pose a pandemic threat in the future.
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Thanks, Neanderthals: How our ancient relatives could help find new antibiotics
A study by César de la Fuente of the Perelman School of Medicine and colleagues used AI to recreate molecules from ancient humans that could be potential candidates for antimicrobial treatments.
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Long COVID brain fog may originate in a surprising place, say scientists
A study by Christoph Thaiss and Maayan Levy of the Perelman School of Medicine and colleagues finds that long COVID’s neurological symptoms, like brain fog, memory loss, and fatigue, may stem from serotonin reduction.
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