What causes an ice cream headache? It is caused when something cold touches the roof of the mouth and makes the blood vessels constrict. It turns out that no one knows for definite what causes an ice cream headache. Many of us have experienced one and it is also called brain freeze. Its official name […]
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Why do snails have teeth? They use their teeth to scrape away pieces of food. Snails are not the only gastropods that have teeth. Slugs basically evolved from snails and they have teeth as well. Both slugs and snails have thousands of microscopic teeth. Depending on the size of the snail, they can have over
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Why is breakdancing called breakdancing? Breakdancing was dancing that filled a break in the music. Breakdancing is generally only called breakdancing by the general public. People who breakdance are called breakers, or break-boy (b-boy) and break-girl (b-girl). Breakdancing is a type of dance, but b-boys and b-girls live a lifestyle which has a culture of
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Why do male seahorses give birth? Male seahorses give birth because it gives the female time to make more eggs. All living organisms have to reproduce in order to keep their DNA going. However, they don’t all reproduce in the same way. There are two types of reproduction: sexual and asexual. There is only one
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Manor, mansion, villa, stately home or hall? They are all words that describe a large, expensive house, but they have slightly different origins. A manor is a British term now, but the tradition of manors comes from all over western Europe, having started in Rome. The word comes from the Latin “manere”, which meant remain,
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What is a cavity? It is a hole in the enamel of the tooth that bacteria can get in through. We have 32 teeth, assuming you haven’t had your wisdom teeth out, and they are divided into three different types of teeth. We have incisors, canines, and molars. Incisors are the cutting teeth. The name
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Why did we lose all our fur? There are several hypotheses, but probably so that we could cool down more easily. However, nobody knows the actual reason why we lost our fur and there is no way of knowing when we lost it, as well. We are the only hairless ape, but we are obviously
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Why do flies buzz and cicadas and crickets chirp? Flies buzz because of how fast their wings have to move, cicadas chirp by flexing their tymbal, and crickets rub their wings together. Flies aren’t the only insects that buzz. The majority of insects produce some kind of buzzing sound when they fly. Some insects produce
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What languages became English? A Germanic language brought by the Anglo-Saxons, then Norse brought by the Scandinavian Vikings, and then French brought by the Normans. No language really has a starting point, but you can often see the languages that combined to make them. For example, French, Italian, and Spanish all evolved from Latin, which
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How can hippos sleep underwater? They have a reflex that makes them bob up and down in the water while they are asleep so that they can breathe. Hippos are the third largest land animals. They are only beaten by white rhinos and elephants. Hippos grow up to 5 m long, including their tails, and
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