Download e-book for kindle: Dr. Joe & What You Didn't Know: 99 Fascinating Questions by Dr. Joe Schwarcz

By Dr. Joe Schwarcz

ISBN-10: 1550225774

ISBN-13: 9781550225778

ISBN-10: 155490577X

ISBN-13: 9781554905775

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The investigators could have turned up the heat on O. J. by applying heat to the sample, but they simply tested for cold blood. Phenolphthalein did not solve the O. J. case, but it could have prevented a costly fiasco that occurred on a New Jersey highway. In the course of an accident, a car's air bag was deployed, filling the vehicle with a fine white powder. The rescuers, fear49 DR. JOE SCHWARCZ ing that a toxic substance had been released, cut the driver's clothes off his body and cordoned off the area.

The name comes from a European superstition that the insect enters the ear of a sleeping person and bores into the brain. I'm sure you've heard the tale: An earwig crawls into a lady's ear while she naps on a beach. She doesn't realize that anything is wrong until she starts to experience terrible pain. An x-ray analysis reveals that the bug is burrowing through her brain, and doctors tell the poor woman that the earwig will eventually emerge from her other ear. And that is just what happens. The bug comes out, and the pain disappears.

Delightful! But don't worry, these ingredients are present in "homeopathic doses," which means that their concentration is roughly zero. 23. How does a radiometer work? You've seen this little device. It looks like a lightbulb with a weather vane inside it. Hold it up to a light source, and the weather vane spins. The radiometer can be found in any science shop, and it's been amusing people of all ages for over a hundred years. It was invented by William Crookes, the scientist who was better known for inventing the cathode-ray tube, which eventually led to the development of x-ray machines.

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Dr. Joe & What You Didn't Know: 99 Fascinating Questions About the Chemistry of Everyday Life by Dr. Joe Schwarcz

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