Three takeaways on respiratory illness in dogs

Headlines have been circulating about a "mystery" canine respiratory illness. How novel is this, and what should dog owners know? Penn Today spoke with Deborah Silverstein, professor of emergency and critical care at the ...

Scientists navigate uncharted waters in fish immunology research

Upon infection or immunization, all jawed vertebrate species generate proteins called antibodies that bind and neutralize pathogens. Strong and long-lasting antibody responses in warm-blooded species such as mammals are produced ...

A twist on atomic sheets to create new materials

The way light interacts with naturally occurring materials is well-understood in physics and materials science. But in recent decades, researchers have fabricated metamaterials that interact with light in new ways that go ...

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