Did you know...  - ...that American Civil War illustrator Alfred Waud made battlefield sketches that were quickly engraved and published by Harper's Weeklyallowing readers to visualize the war in an age before photographs appeared in press?
- ...that the Cerro Grande Fire, a major forest fire in New Mexico, USA, menaced the Los Alamos National Laboratory and produced a smoke plume that extended to Oklahoma?
- ...that underwater explosions produce ocean surface waves that are similar to tsunamis?
- ...that history of philosophy in Poland begins with the contributions of the 13th century philosopher, Witelo?
- ...that the Desert Tree Frog is one of Australia's most widely distributed frogs?
- ...that Baron Karl von Reichenbach, the prolific German chemist who discovered paraffin, creosote and phenol, proposed the existence of a quack physical energy, the Odic force, that could be detected only by specially sensitive people?
- ...that having served as both Assistant to the President and Deputy Chief of Staff to President Bill Clinton, Maria Echaveste is one of the highest-ranking Latinas to have served in a Presidential Administration?
- ...that the Fiat 130 Coupé featured a button-operated mechanism allowing the driver to open the passenger-side door?
     
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