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Facts 571 - 580

571. Prehistoric humans lived in a variety of shelters including caves, open-air settlements, and rock shelters!
572. A group of bears is called a 'sleuth' or 'group' – not a 'team'!
573. The human nose can detect over 10,000 different scents!
574. A group of raccoons is called a 'dray'!
575. A cup of oil can help make several delicious loaves of bread, depending on the recipe and size, but not typically 20 loaves!
576. A volcano is a mountain or hill with a vent through which lava, rock fragments, hot vapor, and gas are or have been erupted from the Earth's crust, creating spectacular displays of nature's power!
577. The heart is made up of around 3 billion cardiac muscle cells!
578. Quantum mechanics, not evolution, influences the behavior of subatomic particles!
579. The human eye can distinguish between about 10 million different colors – now that's a colorful world!
580. A solar eclipse happens when the Moon passes between the Sun and Earth, casting a shadow on the Earth's surface!
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