Penn dermatologists discuss the FDA's approval of a new active ingredient in sunscreen, the first in 20 years.
Keeping you up to date with the most recent news from the University of Pennsylvania
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August 4, 2026
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For the first time in more than 20 years, the U.S. Food and Drug Administration has approved a new sunscreen active ingredient: bemotrizinol, which manufacturers can soon include in their products. Penn Today spoke with dermatologists Joanna Walker and Aditi Senthilnathan to learn about this ingredient and understand how to enjoy the sunny summer weather without getting burned.
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A team of Penn engineers and collaborators have discovered that the skeleton of the horned sea star contains specialized lens-like structures capable of guiding and concentrating light. “The same porous mineral framework that provides support also contains built-in light-guiding elements, and these organisms have had millions of years of evolution to perfect these functions,” says Ling Li.
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Federal funding fuels some of Penn Nursing’s most transformative research, from improving outcomes for sepsis survivors and dementia caregivers to advancing telehealth for burn patients and injury recovery for teens. A new Penn Nursing video series highlights how Penn nurse scientists are turning research into life-changing interventions, policy advances, and better care for people everywhere.
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A culturally tailored meal program rooted in traditional Diné foods has significantly reduced hospitalizations and emergency department visits among heart failure patients in the rural Navajo Nation, according to a trial led by cardiologist Lauren Eberly.
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Pulitzer Prize-winner Signe Wilkinson, the editorial cartoonist for The Philadelphia Inquirer and Philadelphia Daily News, has donated a significant collection of editorial cartoons and originals to the Annenberg Library Archive.
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Today, revisit a story that reveals how plants transform to preserve future generations. Penn researchers show how plants respond to seasonal flowering cues by shielding the stem cells at their growing tips, protecting their offspring and enabling continuous reproduction in changing environments.
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6ABC (PHILADELPHIA)
“It understands what you read and who you are personally. So it tries to adjust itself to be more helpful for you,” says Chris Callison-Burch of the School of Engineering and Applied Sciences about chatbot bias.
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