What happens to the human body in space? Astronauts in space lose bone mass and their muscles weaken. Their blood volume decreases, and their heart can shrink. They are exposed to radiation, and they may have mental changes as well. People have only been going into space for 64 years. The first person in space […]
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What is sepsis? Sepsis is when the body’s immune system responds to an infection, and by doing so, causes potentially life-threatening damage to the organs. A lot of information about what sepsis does comes from the name of the disease. The word “sepsis” comes from the Greek word “sepsis”, which means putrefaction, which in turn
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Why does a mirror reverse an image? The mirror doesn’t reverse the image. It shows the image face on. It is our minds that make us think it is reversed. The mirror doesn’t flip an image left to right, it flips the image front to back. A mirror is a piece of glass with a
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Why does ice float? Ice floats because it is less dense than liquid water. Ice is one of the very few liquids that expand when they are frozen. The majority of materials contract. Ice floats on water because of its density. A less dense material will always float on a more dense material. The density
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What is the Geneva Convention? The Geneva Convention is actually the Geneva Conventions because there are more than one. It is a set of four treaties that lay out the humanitarian rules of war. There were four meetings, held in 1864, 1906, 1929, and 1949. Both of them came after a major war, when people
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What is a Banana Republic? A Banana Republic is a small, poor, politically unstable country with an economy dependent on one export and usually controlled by foreign companies. The existence of US controlled banana republics have created an environment where drug cartels can rise up. Banana Republic is not a positive term. The economy is
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Why did Alcoholics Anonymous start when it did? Alcoholics Anonymous started in the 1930s because the timing was just right. The US was coming out of the Great Depression, Prohibition had just ended, drinking was becoming a societal problem, the media seized upon it, and AA saw alcoholism as an illness, not a moral failing.
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What is hemophilia? Hemophilia is a genetic disorder where a person’s blood doesn’t produce enough clotting factors to clot when the person is injured. We have probably heard of hemophilia in relation to the royal families of Europe in the 19th century. Probably, most famously, Prince Alexi of the Romanov family. He was the only
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What are the Miranda rights? The Miranda rights are a set of warnings that have to be given by police to suspects that they intend to interrogate for information. If the police don’t read you your Miranda rights before you are interrogated and you go on to provide important information that proves your guilt, this
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How do bears get enough food? Bears are able to find enough food because they have an incredible sense of smell, excellent vision, and they can eat almost anything. This is a slightly difficult question because there are lots of different types of bears and they are all different sizes. The polar bear is obviously
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