Why does the corpse plant smell so bad? They produce the scent of rotting meat to attract insects that feed and lay their eggs on decaying animals as pollinators. “Corpse plant” is just a nickname. The flower’s real name is Amorphophallus titanium, which is made up of the three Greek words “amorphos” (misshapen), “phallos” (phallic), […]
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How big could a plane or helicopter be? Theoretically, there is no limit so long as there is a strong enough material and enough thrust can be produced. Practically, there are no materials strong enough to make planes or helicopters much larger than they already are. The largest helicopter in the world at the moment
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What is the difference between volts, amps, ohms, and watts? Volts measure the difference in electrical force between two points. Amps measure the flow of electricity. Ohms measure the resistance of the material. Watts measure electrical power. The volt is named after Alessandro Volta, who built the first electric battery. Volta lived from 1745 to
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How did humans spread across the world? Generally, early humans moved around the world using land bridges or ice bridges. Occasionally, they may have used boats. The first migration happened before home sapiens had even evolved. Homo erectus evolved in central Africa at least three million years ago. This can be attested to by the
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Why was the Cold War called a “cold” war? It was called a “cold” war because there were no direct military confrontations between the United States on one side and the USSR on the other side. This is compared to World Wars 1 and 2 which had gone before and were hot wars because there
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How long can a cable car be? The longest cable car in the world is the Norsjö ropeway in Sweden and it is 13.2 km long. This is probably close to the upper limit of how long a cable car cable can be. The 13.2 km part is just one section of the Norsjö ropeway,
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Why does Canada have two official languages? Canada has ended up with two official languages because of European colonialism. Canada is not the only country in the world to have more than one official language. There are over 30 altogether. Not all of them, but with many you can see in the impact of European
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Why is there a statute of limitations? Because after a certain amount of time has passed, evidence and people’s memories may no longer be dependable enough to fairly charge somebody and the evidence needed to prove their innocence may no longer exist. This is a difficult question because not every country has a statute of
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What noise would the sun make? The sun doesn’t make a sound in the conventional sense because there is no air for the sound waves to travel through. Sound is a pressure wave that moves through a medium. The energy is passed from molecule to molecule until it runs out and the sound fades away.
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Why do some things smell good and some things smell bad? The reason things smell good or bad is a combination of learned experiences and evolution. We smell in the same way that we taste. Everything around us is made of molecules and some of these molecules are released. If they happen to be released
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