radiation repair
71Surgery — This article is about the medical specialty. For other uses, see Surgery (disambiguation). A cardiothoracic surgeon performs a mitral valve replacement at the Fitzsimons Army Medical Center. Surgery (from the Greek …
72Pyrimidine dimers — DNA Lesion Thymine Dimer Pyrimidine dimers are molecular lesions formed from thymine or cytosine bases in DNA via photochemical reactions.[1][2] U …
73Mir — This article is about the Soviet/Russian space station. For other uses, see Mir (disambiguation). Mir …
74Professional diving — Hardhat diving redirects here. Often, hardhat diving is used to specifically mean diving in the old type Standard diving dress. A US Navy diver at work. The umbilical supplying air from the surface is clearly visible Professional diving is a type …
75Shroud of Turin — The Shroud of Turin: modern photo of the face, positive left, negative right. Negative has been contrast enhanced. The Shroud of T …
76Mountain yellow-legged frog — Conservation status Endangered (IUCN 3 …
77Evelyn M. Witkin — (b March 9 1921) is an American geneticist whose research has been widely influential in the areas of DNA mutagenesis and DNA repair.Witkin was born in New York City. She received her BA in 1941 from New York University where she majored in… …
782011 Tōhoku earthquake and tsunami — 2011 Miyagi earthquake redirects here. For the aftershock that occurred on 7 April, see April 2011 Miyagi earthquake. 2011 Tōhoku earthquake and tsunami 東日本大震災 An aerial view of damage in the Tōhoku region with black smoke coming from the Nippon… …
79Scar — Scars redirects here. For the 1998 video game, see S.C.A.R.S. (video game). Scarring redirects here. For the act of inflicting scars, see Scarification. This article is about scar tissue. For other uses, see Scar (disambiguation). Scar… …
80Hank Henshaw — Cyborg Superman Publication information Publisher DC Comics First appearance As Hank Henshaw: Adventures of Superman #465 (April 1990) As Cyborg Superman: Adventures of Superman #500 (June 1993) …
