Katherine Unger Baillie

Like a lot of little kids, Tanner Frank went through a “dinosaur phase.” Unlike most, however, he says, “I never grew out of it.”

Dinosaurs are often depicted as giant, frightening beasts. But every creature is a baby once. A new examination of a rock slab containing fossils of 24 very young dinosaurs and one older individual is suggestive of a group of hatchlings overseen by a caretaker, according to a new study by University of Pennsylvania researchers.

By Madeleine Stone @themadstone

A special guest will throw out the first pitch at the Camden Riversharks minor league baseball game on Sunday, Aug. 24. This local celebrity has a keen eye, an athletic build, a deep love for ball games—and a wagging tail.

The best way to cure most cases of cancer is to surgically remove the tumor. The Achilles heel of this approach, however, is that the surgeon may fail to extract the entire tumor, leading to a local recurrence.

On a Wednesday afternoon in the Cobbs Creek Environmental Education Center, a group gathered around a large table covered in maps and photos.

When Marta Rivas-Olmeda and her husband, Jorge Santiago-Avilés, moved into their home in the University of Pennsylvania’s Kings Court English College House, the courtyard was full of concrete and weeds.

Hemophilia is a rare but potentially dangerous disease. People with the condition produce very low levels of clotting factor, the proteins in blood that stop bleeding and help begin the healing process.

By Madeleine Stone  @themadstoneLisa Gretebeck always knew she wanted to be a veterinarian. Like many aspiring young vets, Gretebeck was first attracted to the career through her love for animals.

It wasn’t until she was 18 years old that Jordi Rivera Prince, a rising junior at the University of Pennsylvania, learned in depth about evolution.