A non-hormonal male contraceptive that prevents sperm from leaving the body remains effective for at least two years, groundbreaking research suggests.The implantable contraceptive,...
David Paton, an idealistic and innovative ophthalmologist who started Project Orbis, converting a United Airlines jet into a flying hospital that took surgeons...
Scientists at Dartmouth College in New Hampshire say just 111 companies have cost the world a whopping $28 trillion (£21 trillion) in climate damage since...