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Images Dated 12th November 2003

Available as Framed Photos, Photos, Wall Art and Gift Items

Choose from 33 pictures in our Images Dated 12th November 2003 collection for your Wall Art or Photo Gift. Popular choices include Framed Photos, Canvas Prints, Posters and Jigsaw Puzzles. All professionally made for quick delivery.

Mars globe Featured 12 Nov 2003 Print

Mars globe

Mars. Mosaic of images taken by the Viking Iand II probes centred at a latitude of 30 degreesnorth and a longitude of 270 degrees. The northpolar cap (white) is clearly visible at topcentre. It is formed by water ice and frozencarbon dioxide and extends outward about to the 80degrees latitude circle. The north polar region issurrounded by a vast circumpolar plain (dark), known as Vastitas Borealis, having a diameter ofabout 10, 000 km. The equatorial band and thesouthern hemisphere of the planet are marked byheavily cratered areas which contrast with thesparsely cratered plains of the northernhemisphere

© Us Geological Survey/Science Photo Library

Computer artwork depicting embryo paternity test Featured 12 Nov 2003 Print

Computer artwork depicting embryo paternity test

Embryo paternity testing. Computer artwork of a paternity test of an embryo (at upper right). A sample of DNA, deoxyribonucleic acid (orange & red strand), is taken from the embryo and its parents. The genetic code formed from the four bases (at bottom right) on this DNA is revealed by a process called electrophoresis. The DNA bands are transfe- rred onto an autoradiograph (white sheet) for comparison. The embryo's DNA comes partly from each parent as the father's sperm fertilizes the mother's egg (top left). Therefore any of the embryo's DNA bands, or genetic markers (blue rectangles, lower left), which do not match those of its mother must match those of its father