Here is some stuff for a variety of levels + some useless facts
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40) A 2011 poll of nearly 1,000 biomedical scientists conducted by the science journal Nature found that more than 90% agreed that the use of animals in research is essential.
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41) Jupiter has 67 moons, Saturn has 62, Uranus 27, Neptune 14, Mars 2 and Earth just one.
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42) The atmosphere in Titan, Saturn's Moon, is so thick and the gravity so low, that humans could fly through it by flapping "wings" attached to their arms.
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43) Only 8 species of bears are extant.
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44) Your brain keeps developing until your late 40s
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45) At any given time, 0.7% of the world is drunk. So 50 million people are drunk right now.
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46) Cenosillicaphobia is the fear of an empty beer glass.
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47) Cats are America's most popular pets: there are 88 million cats compared to 74 million dogs
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48) Europe and Africa are only separated by 14.3 km (8.9 mi) of ocean and there are talks of creating the longest bridge ever
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49) The surface gravities of Venus, Saturn, Uranus, and Neptune are all quite similar (within 15%) to Earth's.
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