Every year, an igloo hotel is built in Sweden that has the capacity to sleep 100 people.

Christian Barnard performed the first heart transplant in 1967 – the patient lived for 18 days.

In 1949, forecasting the relentless march of science, Popular Mechanics said "Computers in the future may weigh no more than 1.5 tons."

A M A Z I N G   F A C T S