What causes an epileptic seizure? It is caused by abnormal electrical activity in the brain. There is not one reason why people have epilepsy and there is not one type of epileptic seizure. Epileptics can suffer from focal seizures and generalized seizures. As their names suggest, focal seizures are focused on one hemisphere of the […]
#911 What causes an epileptic seizure? Read More »
Is moss one plant or many plants? A patch of moss is made up of many plants. There are many types. There are approximately 20,000 species of moss plants and some of them are huge. The Dawsonia moss grows up to 50 cm tall. However, most moss plants are much smaller than that. Mosses have
#906 Is moss one plant or many plants? Read More »
Why do we hiccup? Hiccups are caused by muscular twitches in the diaphragm. The diaphragm is the muscle that we use to breathe. It is a dome shaped muscle that is below the lungs. It is connected to the sternum at the front, the bottom of the rib cage and the spine, to make a
#904 Why do we hiccup? Read More »
Why does hair turn white? The pigment cells in the hair follicles die. Our hair is colored by melanin that is produced by the pigment cells in each hair follicle. Melanin is what colors our skin as well. Melanin is produced in cells called melanocytes and different quantities or types of melanin can alter the
#903 Why does hair turn white? Read More »
Why are blueberries blue and strawberries red? Because of the animals the plants want to eat their fruit. Flowers and fruit tend to be a certain color because they have either evolved to attract a certain kind of animal or to repel a certain kind of animal. A lot of flowers and animals as well
#900 Why are blueberries blue and strawberries red? Read More »
How big was a Megalodon? The largest ones could have been 20 meters long. Megalodon was a species of giant mackerel shark. Mackerel sharks have two dorsal fins, an anal fin, five gill slits, eyes without nictitating membranes, and a mouth that extends behind the eyes. Great white sharks are in this family. Megalodons lived
#896 How big was a Megalodon? Read More »
Why are truffles so expensive? They are very rare and very difficult to grow. What is a truffle? The truffle is the fruit part of a fungi, and it is similar to the top part of a mushroom. A truffle is a type of fungus that grows around the roots of some trees. They are
#890 Why are truffles so expensive? Read More »
How does the female lac bug make plastic? They scrape bark from trees and mix it with a resin that they produce. The female lac bug produces a resin, which is a plastic. Plastics are made when molecules connect together to make long chains of polymers. These are what give plastics their strength and durability.
#886 How does the female lac bug make plastic? Read More »
Why did Tyrannosaurus rex have short arms? No one really knows. They could have no reason and be left over from longer arms that evolved away. They could have been used for slashing, gripping prey, and longer arms might have been bitten off by other Tyrannosauruses. They may have been used to help the dinosaurs
#883 Why did Tyrannosaurus rex have short arms? Read More »
Norman Ernest Borlaug was known as the father of the Green Revolution because of the new strain of wheat he developed and the millions, possibly billions, of people he saved from starvation. He is said to have saved more lives than any person who has ever lived. There have been numerous agricultural revolutions over human
#880 Norman Ernest Borlaug – father of the Green Revolution Read More »
