This is a guest post by Tim Allen, principal engineer at Wharton Research Data Services at the University of Pennsylvania, a member of the Readers Council and an organizer of the Philadelphia Python ...

Explore sci-fi shows that started strong and only got better and darker as their seasons progressed, from Dark to Battlestar ...

Background The relationship of social determinants of health (SDOH), environmental exposures and medical history to lung function trajectories is underexplored. A better understanding of these ...

This rare silver penny, minted by King David I during the 1130s, bears an inscription that suggests it was struck in ...