['Compared to Earth, our astronomical next-door neighbor Venus is 95 percent as large, 28 percent closer to the sun, an...', 'Compared to Earth, our astronomical next-door neighbor Venus is 95 percent as large, 28 percent closer to the sun, an...']

['What do the American bison, western gorilla, and Eurasian eagle-owl have in common? One answer is that they are all s...', 'What do the American bison, western gorilla, and Eurasian eagle-owl have in common? One answer is that they are all s...']

['In January 2010, two journalists knocked on the door of 84-year-old Frenchman Jacques Bellanger to ask him about the...', 'In January 2010, two journalists knocked on the door of 84-year-old Frenchman Jacques Bellanger to ask him about the...']

['At the campus of the University of California, Berkeley, social psychologist Paul Piff paired off approximately 200 u...', 'At the campus of the University of California, Berkeley, social psychologist Paul Piff paired off approximately 200 u...']

['Alois Schicklgruber was never quite certain who his father was. Born in 1837, Schicklgruber was the child of Maria An...', 'Alois Schicklgruber was never quite certain who his father was. Born in 1837, Schicklgruber was the child of Maria An...']

['"Article the Second" was a single-sentence amendment written by James Madison in 1789, intended to be added to the Un...', '"Article the Second" was a single-sentence amendment written by James Madison in 1789, intended to be added to the Un...']

['During the development of the Apollo moon missions in the early 1960s, the newfangled government agency called “NASA”...', 'During the development of the Apollo moon missions in the early 1960s, the newfangled government agency called “NASA”...']

['The smallest denomination coin ever circulated in the United States was valued at five milles, equivalent to one 200t...', 'The smallest denomination coin ever circulated in the United States was valued at five milles, equivalent to one 200t...']

['Laßt Froh Uns Sein ("Let Us Be Joyful") is a short musical canon in B-flat major for six voices, written by the celeb...', 'Laßt Froh Uns Sein ("Let Us Be Joyful") is a short musical canon in B-flat major for six voices, written by the celeb...']

['One of the most dramatic surgical procedures still performed on human patients is the hemispherectomy, or the removal...', 'One of the most dramatic surgical procedures still performed on human patients is the hemispherectomy, or the removal...']