Nasa has been working on a range of technologies for astronauts to travel to and from Mars, which would take three years.
A group of scientists and students gingerly made their way, using canes or a helping hand to guide them. For those who couldn ...
The first controlled clinical trial recorded in the modern age, carried out in 1747 to test treatments for scurvy, may have drawn inspiration from the nephew of Sir Isaac Newton’s laboratory assistant ...