The little-known true story of the unexpected and remarkable contributions to astronomy made by a group of women working in the Harvard College Observatory from the late 1800s through the mid-1900s.-- "In the late nineteenth century, the Harvard College Observatory began employing women as calculators, or "human computers," to interpret the observations their male counterparts made via telescope each night. At the outset this group consisted of the...

What is the most powerful backache treatment ever developed to help prevent recurring back pain and restore you to a healthy, pain-free life?The answer is exercise.Exercise has:Helped more backache sufferers than drugs, surgery, or any other treatment--without dangerous side effectsBeen widely prescribed by medical doctors and other health practitioners.Been rated the best source of relief by backache sufferers themselvesBeen uniformly supported by...

"Nutrition. Brand-name, over-the-counter medications. Prescription drugs. Surgery. Experimental treatments. Alternative therapies. Self-help techniques."

The story of John Harrison, the man who won the Longitude Prize. The 20, 000 pounds (equal to 12 million dollars in today's currency) given to the man who came up with the idea that would allow sailors to keep their place when out to sea.

Examines the pivotal relationship between mapping and civilization, demonstrating the unique ways that maps relate and realign history, and shares engaging cartography stories and map lore.

Without longitude's guidance, navigation in the 1700s was unpredictable and deadly...until one man solved the mystery...a humble, ingenious country carpenter named John Harrison.