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This Day in History

Robert Koch Announces Discovery of Tuberculosis Bacterium (1882)
Tuberculosis, a contagious, wasting disease that commonly attacks the lungs but may affect other organs and systems as well, is caused by several strains of mycobacteria, particularly Mycobacterium tuberculosis in humans. First identified in 1882 by German bacteriologist Robert Koch, M. tuberculosis is unusual because of its lipid-rich cell wall and because it divides every 15 to 20 hours, when other bacteria divide in minutes. Why are these bacteria sometimes called red snappers? Discuss

Patrick Henry: "Give Me Liberty or Give Me Death!" (1775)
Henry was an American Revolutionary leader who gained a reputation as a skillful orator. A member of the Virginia House of Burgesses, he delivered his famous speech in defense of liberty to the Virginia Convention in 1775, concluding with the words "Give me liberty or give me death!" The speech is credited with having swung the balance in convincing the assembly to pass a resolution to send Virginia troops to the Revolutionary War. Which future presidents were in the audience during the speech?

Clint Malarchuk's Carotid Artery Slashed during Ice Hockey Game (1989)
Malarchuk is a retired Canadian professional ice hockey goaltender who played in the National Hockey League from 1981 to 1992. He is perhaps best known for sustaining a life-threatening injury during a 1989 game, when two players collided in front of his goal, and one of the players' skate blades slashed Malarchuk's internal carotid artery. Remarkably, Malarchuk was able to skate off the ice despite bleeding heavily. He survived because his team's athletic trainer, a former army medic, did what?