6scienceThe first vaccine, developed by the English physician Edward Jenner in 1796, protected people against what disease?Show AnswerShare
18scienceWhat kind of thin, wispy, feathery looking clouds, located four to twelve miles up, are usually the first sign that a weather front is approaching?Show AnswerShare
13scienceWhat is the name of the effect, named after a 19th Century Austrian physicist, which causes the sound of a moving object to change its pitch as it approaches and then passes you?Show AnswerShare
19scienceWhich small, prehistoric flying animal got its name from the Greek words meaning flying finger wing?Show AnswerShare
2scienceTropical depressions become tropical storms when maximum winds reach 39 mph. They become hurricanes when winds reach how many miles per hour? (within 3)Show AnswerShare
16scienceIn a dubious achievement in science, 1995 a Swiss biotech lab grafted what on the back of a mouse?Show AnswerShare
12scienceAmerica's first nickel, or five cent piece, was first produced in 1866. It consisted of 25% nickel, and 75% what metal?Show AnswerShare
20scienceIn April and May, 1961, the first two astronauts were launched into space; one Russian and one American. Can you name them?Show AnswerShare
14scienceWhat two common parts of the human body continue to grow throughout our lifetimes?Show AnswerShare
11scienceWhat is the name of the hereditary blood disease that occurs chiefly among black people?Show AnswerShare
18scienceWhat is the name for the transparent outer covering of the front of the eye?Show AnswerShare
8scienceThe shape of a DNA molecule is usually referred to by a two-word phrase, one of whose words refers to its three-dimensional spiral shape. What is this phrase?Show AnswerShare
