Arthropod — Temporal range: 540–0 Ma … Wikipedia
Ultraviolet — UV redirects here. For other uses, see UV (disambiguation). UVB redirects here. For the mysterious shortwave radio station in Russia, see UVB 76. For other uses, see Ultraviolet (disambiguation). False color image of the Sun s corona as seen in… … Wikipedia
Guided rat — A remotely guided rat, popularly called a ratbot or robo rat, is a rat with electrodes implanted in the medial forebrain bundle (MFB) and sensorimotor cortex of its brain. They were developed in 2002 by Sanjiv Talwar and John Chapin at the State… … Wikipedia
Galatea (moon) — Galatea Galatea as seen by Voyager 2 (smearing has caused excessive elongation) Discovery Discovered by Stephen P. Synnott[1] … Wikipedia
Melanoma — Classification and external resources A melanoma ICD 10 C43 … Wikipedia
Web-based taxonomy — is the effort by taxonomists to use the World Wide Web in order to create unified, consensus taxonomies of life on Earth.In his 2002 paper on the subject [ [http://www.nature.com/nature/journal/v417/n6884/full/417017a.html Godfray, H.C.J (2002).… … Wikipedia
Arthropod head problem — The arthropod head problem is a long standing zoological dispute concerning the segmental composition of the heads of the various arthropod groups, and how they are evolutionarily related to each other. While the dispute has historically centered … Wikipedia
Aminocoumarin — is a class of antibiotics which act by an inhibition of the DNA Gyrase enzyme involved in the cell division in bacteria. They are derived from Streptomyces species, whose most well known representative Streptomyces coelicolor was completely… … Wikipedia
Indirect DNA damage — occurs when a UV photon is absorbed in the human skin by a chromophore that does not have the ability to convert the energy into harmless heat very quickly. Molecules which do not have this ability have a long lived excited state. This long… … Wikipedia
Cambrian explosion — The Cambrian explosion or Cambrian radiation was the seemingly rapid appearance of most major groups of complex animals around Ma|530, as evidenced by the fossil record. [http://www.ucmp.berkeley.edu/cambrian/camb.html The Cambrian Period] ]… … Wikipedia
Sunburn — A sunburn is a burn to living tissue such as skin produced by overexposure to ultraviolet (UV) radiation, commonly from the sun s rays. Exposure of the skin to lesser amounts of UV will often produce a suntan. Usual mild symptoms in humans and… … Wikipedia
