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71Downland — Culver Down, Isle of Wight. A downland is an area of open chalk hills. This term is especially used to describe the chalk countryside in southern England. Areas of downland are often referred to as Downs. The word down derives from a medieval… …
72Chromatophore — Zebrafish chromatophores mediate background adaptation on exposure to dark (top) and light environments (bottom). Chromatophores are pigment containing and light reflecting cells found in amphibians, fish, reptiles, crustaceans, and cephalopods.… …
73Wolf-Rayet star — Wolf Rayet stars (often referred to as WR stars) are evolved, massive stars (over 20 solar masses), which are losing mass rapidly by means of a very strong stellar wind, with speeds up to 2000 km/s. While our own Sun loses approximately 10−14 of… …
74Lenape — people Jennie Bobb and her daughter, Nellie Longhat (both Delaware), Oklahoma, 1915[1] …
75Dictionary of National Biography — The title page of the first volume of the Dictionary The Dictionary of National Biography (DNB) is a standard work of reference on notable figures from British history, published from 1885. The updated Oxford Dictionary of National Biography… …
76Axillary nerve — Nerve: Axillary nerve Brachial plexus. (Axillary nerve is visible in gray near center.) The …
77Bean machine — The bean machine, also known as the quincunx or Galton box, is a device invented by Sir Francis Galton to demonstrate the law of error and the normal distribution.The machine consists of a vertical board with interleaved rows of pins. Balls are… …
78Geothermal areas of Yellowstone — Map of all coordinates from Google Map of all coordinates from Bing Export all coordinates as KML …
79Creswell Crags — Map showing the location of Creswell Crags within Derbyshire …
80Cad Goddeu — (English: The Battle of the Trees ) is a poem from the Book of Taliesin in which the legendary enchanter Gwydion animates the trees of the forest to fight as his army. The poem is especially notable for its striking and enigmatic symbolism and… …
