10scienceThe hypodermic syringe, a lifesaving devise used by doctors but abused by junkies, was invented at the time of which war?Show AnswerLearn MoreShare
7scienceOf the chemical elements between #95 and 100, three are named for humans. Name the three.Show AnswerLearn MoreShare
17scienceIf the astronauts took with them the moon a grandfather clock, for what scientific reason would it not keep proper earth time?Show AnswerLearn MoreShare
9scienceIn 1943, French underwater explorer Jacques Cousteau helped create an invention designed for underwater breathing, and 60's British rock group Jethro Tull named an album after it. What is it?Show AnswerLearn MoreShare
1scienceCustomarily, the primary colors of the visible spectrum were red, orange, yellow, green, blue, and violet. However, around 300 years ago, Sir Isaac Newton found another, situated between blue and violet, and named it what?Show AnswerLearn MoreShare
1scienceWhat name is given to the darkest part of a shadow cast by the earth or moon during an eclipse?Show AnswerLearn MoreShare
13scienceWhat's the biological name for the part of the body that contains the stomach, intestines, liver, spleen, and pancreas?Show AnswerLearn MoreShare
7scienceWithin 50% margin of error: how long does it take for blood to make a complete tour through the human body, from the time it leaves the heart until it returns?Show AnswerLearn MoreShare
12scienceWhat 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 AnswerLearn MoreShare
3scienceFor the human animal, who has more influence in determining the sex of a child? The mother, the father, or both equally?Show AnswerLearn MoreShare
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