There's a regenerative candle that creates a new candle as it melts.
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Brass doorknobs automatically disinfect themselves in about 8 hours.
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Genghis Khan exempted the poor and clergy from taxes, encouraged literacy, and established free religion, leading many peoples to join his empire before they were even conquered.
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The Savannah is the largest domestic cat breed. It resembles a small leopard and behaves like a dog. They can grow up to 40 lbs, have an eight foot vertical jump, and can be trained to walk on a leash and play fetch.
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If you place a ripe banana next to a green tomato, the tomato will ripen due to the ethylene gas produced by the banana.
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Students at the John Hopkins University collaboratively decided to opt out of their final since the professor set his curve based on the highest score grading it as 100%. They chose to receive a score of zero, making it the highest grade and thereby getting 100%.
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