What term describes the overflowing of rivers or streams?
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Question 2 of 10
In 1643, one of Galileo's pupils, Evangelista Torricelli, put an empty tube on top of some mercury. When it was really nice out, more mercury was pushed up into the tube. What tool for measuring air pressure had he invented?
Question 3 of 10
A method of making lead-free what was discovered by Eugene Houdry in 1970?
Question 4 of 10
Now used to treat leprosy, what Chemie Grunenthal drug produced a birth defect called phocomelia?
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Question 5 of 10
Oh sure, Eli Whitney invented the cotton gin. But what does a cotton gin actually do?
Question 6 of 10
At Queens University in Ontario, Barrie Frost somehow got what bird on a treadmill, where its characteristic head-bobbing stopped?