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Greg Johnson
Managing Editor
Managing Editor
Greg Johnson covers Penn Athletics and Recreation, which includes sports teams, intramural sports, and the Penn Relays. He manages the annual Research at Penn publication, which highlights notable research from all 12 schools at Penn.
Working like a dog
Because a dog’s sense of smell is a thousand times more sensitive than a human’s, canines are regularly used to detect bombs and other explosives. They sniff out illegal drugs and endangered plants, and they can use their snouts to reveal ailments such as cancer, diabetes and seizures.
Teaching computers how to learn
The goal of machine learning is to make a computer learn just like a baby—it should get better at tasks with experience. In fact, computers best humans at tasks like chess and numerical calculations.
Penn football sets record
Photo credit: University Archives The 1882 University football team, which had a record of 2-4 that year.
Penn football makes NCAA history with 1,300 games
Photo credit: University Archives The 1882 University football team, which had a record of 2-4 that year.
Battling painful side effects from breast cancer treatment
A protein on the surface of breast cancer tumors called the estrogen receptor allows the tumors to use estrogen to grow.