Simona Vigodner

Their research contradicts classical ecological models, which argue that mutual interactions create instability, Penn Today reported.

Philadelphia's decreased ranking can be partly attributed to a larger gender pay gap in the city. Philadelphia women in tech are currently making 91% of what their male counterparts make, compared to 97% in 2019.

Joe Coffee has been in the Philadelphia area since 2013, with its University City location on Drexel's campus at 3200 Chestnut St. 

The show, which debuted Nov. 4 on SiriusXM's business channel, features interviews between professors and prominent business leaders on a range of topics. 

The ranking for 2020 included about 1,400 universities across almost 100 countries.

PennMed researchers delivered the vaccine to mice and guinea pigs who showed “sterile immunity,” the highest level of immunity where there were no signs of infection after exposure.

Virginia M.Y. Lee is the director of the Center for Neurodegenerative Disease Research at the Medical School.

Some well-known Penn professors include Jeb Bush, Buzz Bissinger, Dorothy Roberts, Adam Grant, and Kathleen Hall Jamieson. 

U-Night will take place on April 30 from 8 to 9 p.m. on College Green, Class Board 2021 announced on its Facebook page. 

Both prizes award teams $100,000 for project implementation and $50,000 stipends for living expenses for each student in the year after graduation.