Become a member of this channel to enjoy benefits: My merchandise: More videos here Help me improve my content!!

Research shows that giving time, money or support to others is associated with benefits to well-being. But doing so isn’t always beneficial. Dr. Leana Wen explains.

In the 1930s, Soviet engineers dared to defy tradition with the Kalinin K-12 - a radical tailless bomber unlike anything else in the world. Sleek yet unconventional, it promised speed, range, and ...