Fun Facts
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An acute overdose of caffeine, usually in excess of 250 milligrams (more than 2-3 cups of brewed coffee), can result in a state of central nervous system overstimulation called caffeine intoxication. Symptoms may include restlessness, nervousness, excitement, insomnia, flushing of the face, increased urination, gastrointestinal disturbance, muscle twitching, a rambling flow of thought and speech, irregular or rapid heart beat, and psychomotor agitation. In cases of extreme overdose, death can result. A lethal dose of caffeine is estimated to be about 150 to 200 milligrams per kilogram of body mass, roughly 140 to 180 cups of coffee over a short period. Though achieving this lethal dose with coffee alone would be exceptionally difficult, there have been reported deaths from intentional overdosing on caffeine pills.
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Who started the tradition of poinsettia at Christmas?
Dr Joel Poinsett, the first US ambassador to Mexico, brought the plant back in 1828. Mexicans had long revered poinsettia because it resembled the Star of Bethlehem
Dr Joel Poinsett, the first US ambassador to Mexico, brought the plant back in 1828. Mexicans had long revered poinsettia because it resembled the Star of Bethlehem
Hawksbill sea turtles live in coral reefs and feed on sponges. Without the hawksbill, sponges would overgrow and suffocate the delicate and slow-growing corals. Provided by FactRetriever.com
What makes thunder?
Essentially, lightning causes thunder. The air around a lightning bolt is superheated to about five times the temperature of the sun. This sudden heating causes the air to expand faster than the speed of sound, which compresses the air and forms a shock wave; we hear it as thunder.
Essentially, lightning causes thunder. The air around a lightning bolt is superheated to about five times the temperature of the sun. This sudden heating causes the air to expand faster than the speed of sound, which compresses the air and forms a shock wave; we hear it as thunder.
Why do we dress up on Halloween?
The Celts believed that on Samhain the spirits of the dead would gather together, taking on different forms. Bad spirits would manifest themselves as animals, with the most evil ones becoming cats. In order to keep these spirits away people would dress up in costumes made from the skins and heads of their animals and carry lanterns, made out of turnips, to light their way. These lanterns would be painted or carved with faces in an effort to scare off any evil spirits.
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The Celts believed that on Samhain the spirits of the dead would gather together, taking on different forms. Bad spirits would manifest themselves as animals, with the most evil ones becoming cats. In order to keep these spirits away people would dress up in costumes made from the skins and heads of their animals and carry lanterns, made out of turnips, to light their way. These lanterns would be painted or carved with faces in an effort to scare off any evil spirits.
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