In the Beginning

When a baby girl is born, she has about 300 000 eggs already in her ovaries. About 400 of these will mature during her life.

Major Engineering Events in History: Introduction and Timeline

Source: http://www.trivia-library.com

 

298,000 B.C. Earliest Known Houselike Dwelling

3000 B.C. Wheeled Transportation Is Realized

2700-2200 B.C. The Pyramids of Egypt

1800-1450 B.C. Stonehenge--Man's 1st Celestial Observatory

1000 B.C. The Qanats of Iran

448 B.C. The Acropolis, Athens, Greece

300 B.C. The Great Wall of China

313 B.C.-128 A.D. The Roman Aqueducts

834 A.D. The Crank Is Recognized

1000 A.D. The Ancient City of Angkor, Cambodia

1350 A.D. The Rope Bridge of San Luis Rey, Peru

1646 A.D. The Taj Mahal

1725 A.D. The 1st Successful Steam Engine

1882 A.D. The Valveless Water Waste Preventer

1883 A.D. The Brooklyn Bridge

1893 A.D. The Ferris Wheel

1920 A.D. The Panama Canal

1931 A.D. The Empire State Building

1937-1938 A.D. The Golden Gate Bridge and Boulder Dam

1945 A.D. The 1st Atomic Bomb Is Detonated

1957 A.D. Man's 1st Artificial Satellite Orbited

1969 A.D. Manned Lunar Landing

1975 A.D. Project Sanguine Nears Operation

Sugar

Sugar is made from the element s hydrogen, oxygen and carbon.

image souce : http://beaut.ie/blog/?tag=sugar-cravings

Cells

If one cell was taken everyone living on earth and all the DNA was removed, it would weigh only 0.024g

image source:http://www.kscience.co.uk/as/module2/dna_structure/DNA_files/History%20of%20DNA%20research.htm