The main muscles recruited when performing a pullup are the back (specifically the rhomboids and lats ), arm muscles including the posterior deltoids and biceps, and the core. Here are some of the ...

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

Laura Mitchell, from the U.K., told Newsweek that she felt "a bit apprehensive that they might be territorial." ...

Filmed in 4K, this aerial view captures the iconic approach to El Chaltén, located in the heart of Argentine Patagonia. With Mount Fitz Roy rising in the distance, this small mountain village is ...

Environmental & Civil Engineering at Queen’s concerns the planning, design, sustainability and management of our society’s infrastructure. It is a broad discipline taught by staff engaged in high ...