The dawn of the 20th century brought fundamental changes to the way Americans lived. Entrepreneurs wedded scientific knowledge and business savvy, extracting metals, minerals, and motor fuels from ...

He genetically altered them, before putting them into the wombs of female mice. The offspring carried the altered gene and passed it on. This breakthrough, known as gene targeting, has helped to ...

Over the course of the 20th century, advancements in public health and medicine led to an increase in life expectancy by around 30 years in high-income nations. But is this rapid growth in ...

At the turn of the 20th century, advancements in steel production, such as the Bessemer process, positioned Pennsylvania as a leader in the industry. This innovation enabled the mass production of ...