› added 9 years ago

207

TIL the blades in a Rolls Royce jet engine are so technologically advanced and intricately designed that each blade is roughly worth the price of an average family car.

Read more youtu.be

via reddit.com

neVY7 TIL The Incas did not have a written language, instead they used colourful knotted cords called Quipu to record numbers and archives such as census data and storehouse records. They had up to a thousand unique strands.
7rd0Z TIL That cheetahs cannot roar, they can only purr like a housecat! (cute video links of this in comments)
Zp0np TIL Nigeria is projected to have almost 800 million people by the year 2100
ZQXa TIL Searching for gold, Conquistadors Lázaro Fonte and Hernán Perez de Quesada tried to drain a sacred lake using a bucket chain. They reduced the water level 3 meters in 3 months and found about $100,000 in gold
xVPm0 Seven out of ten prescriptions written today are for items unknown to medicine before World War II.