DiscoveriesScienceThree Smart Things You Should Know About CurrencyBy Asami NovakThe Big StoryNever Fear! High-Tech Cowboys of the Deep Seas Are HereBy Joshua DavisScienceWhat's Inside: This Exterior Latex Paint Coats Walls, Fights DiarrheaBy Patrick Di JustoScienceExcerpts From Captain Rich Habib's JournalBy Joshua DavisScienceFeb. 22, 1918: A Really Big Kid From Alton, IllinoisBy Tony LongScienceGenetic 'Junk' Could Answer Riddle of Vertebrate EvolutionBy Brandon KeimScienceFeb. 21, 1947: 'Take a Polaroid' Enters the English LanguageBy Tony LongScienceFeb. 20, 1934: A Huge Step Toward Atomic EnergyBy Tony LongScienceFeb. 19, 1986: Mir, the Little Space Station That CouldBy Tony LongScienceFeb. 13, 1990: Seeing the Earth as Others See UsBy Tony LongScienceWorld's Largest Science Gathering Promises New Discoveries, Global ImpactsBy Alexis MadrigalScienceFeb. 12, 1878: A Face-Saving Invention From HarvardBy Tony LongScienceOn Darwin's Birthday, Dover Still Isn't OverBy Brandon KeimScienceFeb. 11, 1847: Look Out, World, Here Comes Tom EdisonBy Tony LongScienceFeb. 5, 1897: Indiana Pols Forced to Eat Humble PiBy Tony LongScienceFeb. 4, 1915: Improve Your Diet and Live Better, LongerBy Tony LongScienceFeb. 1, 1893: Lights! Kinetograph! Action!By Tony LongScienceJan. 31, 1958: Explorer I Makes It Official — There's a Space RaceBy Tony LongScienceJan. 30, 1790: The Lifeboat, an Idea Whose Time Has ComeBy Tony LongScienceJan. 29, 1998: A Warning on Nicotine, Straight From the Horse's MouthBy Tony LongScienceJan. 28, 1807: Flickering Gaslight Illuminates Pall MallBy Tony LongScienceAboard the Swedish Icebreaker OdenBy Erica Lloyd and Chris LinderScienceJan. 25, 1945: Fluoridation — Better Teeth, or Commie Plot?By Tony LongScienceJan. 24, 1984: Birth of the Cool (Computer, That Is)By Tony LongMore Stories