26Montreal protest
In 2012, 300,000 students in Montreal protested for over 100 days over a 75% hike in tuition prices.
27. There were about 60,000 attempts to get across the Berlin Wall. 5,000 people managed to escape through the Wall, with an estimated death toll of 136.
28. The majority of infections from swimming pools and hot tubs are caused by cryptosporidium, a diarrheal disease caused by microscopic parasites which are released (anally) into the water and then consumed (orally) by fellow swimmers. Hotel pools are the primary place of infection.
29. Dmitri Mendeleev was a Russian chemist and a teacher who devised the periodic table. In 1867, one day after working for three straight days, he got the inspiration from a dream: "Awakening, I immediately wrote it down on a piece of paper.” He named his discovery the “periodic table of the elements.”
30. 15 years after having been shot and left for dead during a forced march to a concentration camp, physicist Bruno Touschek initiated and drove the development of AdA -- the world's first antimatter storage ring.
