The Sacagawea dollar is a United States dollar coin which has been minted every year since 2000. The Statue of Liberty was originally proposed as the design subject, but Sacagawea, the Shoshone guide of the Lewis and Clark Expedition, was eventually chosen. The coin features an obverse by Glenna Goodacre and a reverse by Thomas D. Rogers. The new dollar coin was heavily marketed via a series of print, radio and television advertisements, as well as United States Mint partnerships with Wal-Mart and Cheerios. The Mint initially planned to issue a 22-karat gold collector Sacagawea dollar in addition to the regular production, but this idea was quickly abandoned after the Mint's authority to strike the coins was questioned. Soon after initial production of the dollar, it was noticed that some of the coins were struck with the obverse of a state quarter and the normal reverse. The Sacagawea dollar did not prove popular with the public, and mintage dropped sharply in the second year of production. In 2009, the reverse of the Sacagawea began changing yearly, with each design in the series depicting a different Native American accomplishment. (more...)
... that Charles Sylvester described toilets in 1819 at the new Derby Infirmary that cleaned themselves and exchanged foul air every time they were used (see diagram)?
...that QRpedia lets museum visitors quickly see Wikipedia articles about exhibits, on their mobile phones, in their own language?
... that among those killed in the 1740 Batavia massacre were 500 prisoners and hospital patients?
... that the 1924 Australian silent film Fisher's Ghost was not shown in Sydney because it was deemed "too gruesome"?
2004 – Russian security forces stormed a school in Beslan, North Ossetia, to force an end to a three-day hostage crisis, killing at least 334 of the over 1,100 hostages (photos of victims pictured).
This close-up photo of a Calliphora hilliblowfly shows facial features that are common to all insects: compound eyes and two antennae (the latter are difficult to see, as many true flies have short antennae which reduces drag). Most insects, except some species of cave crickets, are able to perceive light and dark. Many species have acute vision capable of detecting minute movement, and many are able to detect light in the infrared, ultraviolet and the visible light wavelengths.
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