How does anthrax kill? Anthrax is an infection caused by a bacterium called Bacillus anthracis. Because it is a bacterial infection, it can be treated with antibiotics if it is discovered soon enough. We may have heard about anthrax from the news, but it is a naturally occurring bacteria that has been around for a […]
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Why is there an obelisk in Rome? There is more than one and the Romans took them from Egypt as a show of power. During the Roman Empire, 50 obelisks were taken from Egypt and 13 of those survive today. 8 of those 13 were made in Ancient Egypt and the other 5 were commissioned
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What is impressionism? It was a style of art where the artist was trying to capture an impression of the moment. Claude Monet is probably the most famous impressionist, and he was one of the few artists who was able to make money while he was alive. Impressionism began in Paris in the late 1800s
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How does a motion detector work? There are several different methods. They can use infrared light, microwave radiation, ultrasound, video, or electromagnetic radiation. There are many uses for motion detectors and not all of them are for security systems. If you have used an automatic door, or walked into a room and had the lights
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Why are prunes a laxative? They contain a lot of two different types of fiber, sorbitol, and polyphenols. What is a prune? Prunes are dried plums, although not all plums can become prunes. Plums also have laxative properties, but they are not as effective as prunes. In America, in 2001, some prune producing companies petitioned
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Is there a planet beyond Neptune? It is possible, but there is no way to know for sure until telescope power increases. Neptune was discovered in 1846 and it was the last planet to be discovered. Pluto was discovered in 1930, but it wasn’t a planet for very long before it was demoted to “dwarf
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What is a zombie virus? Zombie viruses are ancient viruses that have been frozen in ice, but are being released as the permafrost melts due to climate change. “Zombie” virus is rather a dramatic name. These viruses won’t turn people into zombies and they don’t come from zombies. They are given this name because they
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What happened to the water on other planets? It was either blown off, evaporated off, or is still there but frozen in ice. The first thing we have to consider is that not all of the planets have water. Pluto has obviously been deregulated and is no longer a planet. Earth has water. Saturn and
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Why did the Chinese government move to Taiwan? The Republic of China’s government lost a war with the Chinese Communist Party in 1949 and fled to Taiwan. We have to go back a bit further than 1949 to look at this question. People have lived on the island of Taiwan for thousands of years. Stone
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How does a rattlesnake rattle? They have loose hollow scales on the tips of their tails that strike each other when the rattlesnake rattles its tail. Rattlesnakes are a type of viper and are venomous snakes. There are many different types of venomous snakes, and they are divided by the position of their fangs and
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