• When Graça Machel married Nelson Mandela on 18 July 1998, she became the first woman in the world to have married the heads of state of two different countries. She was previously married to Samora Machel, the first president of Mozambique who was killed in a plane crash in 1986.
• Dr. Christiaan Barnard, at Groote Schuur Hospital, Cape Town, performed the first human heart transplant in the world in 1967. He was also the first to do a “piggyback” transplant in 1971, and the first to do a heart-lung transplant.
• You can convert graphite into diamond by applying a temperature of 3000 Celsius and pressure of 100,000 atm.
• The lightning bolt is 3 times hotter than the sun.
• Pretoria has the second largest number of embassies in the world after Washington, D.C.
• Lake Baikal is the deepest lake in the world.
• Helium is named after the Greek word for “sun.”
• Camels have three eyelids that protect them from blowing sand.
• “Rhythm” is the longest English word without a vowel.
Friday James is an S5 student
at Lycee De Kigali Secondary School