#1444 Why don’t giraffes faint?

Why don’t giraffes faint? Giraffes don’t faint because they have a very strong heart and a very high blood pressure. If we bend over and then stand up again, we get a head rush. Sometimes it can be so bad that you faint. This is called orthostatic hypotension. Your blood pressure is set at the […]

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#1442 How does a hologram work?

How does a hologram work? There are two types of holograms: the version that has a 3D image on a flat sticker, or plate, and the 3D kind that appears in the air out of nowhere. Surface holograms work by splitting light, and 3D ones work through several methods. A flat hologram is an attempt

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#1439 What causes liver spots?

What causes liver spots? Despite their name, liver spots are caused by prolonged exposure to Ultra ultraviolet light and don’t have anything to do with the liver. As people age, they get more wrinkles, their muscles don’t work quite as well, and they get dark brown blemishes on their skin. These spots are called liver

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#1436 How does anthrax kill?

How does anthrax kill? An infection of the anthrax bacteria can kill because the bacteria produce toxins that can kill an animal or a person. Anthrax is the name for the infection caused by a bacteria called Bacillus anthracis. It is a rod-shaped bacterium that is about 3 to 5 micrometers long. The average human

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#1435 What is antitrust?

What is antitrust? Antitrust is a set of laws that are supposed to promote fair competition and prevent monopolies. You have probably heard the word “antitrust” a lot since the birth of the giant tech industries. It is always being used to refer to Microsoft, Google, and Facebook (sorry – Meta). But, what actually is

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