#Before Present

Author: Cassie Martin / Source: Science News Unusual virus is valuable tool — Viruses, which cannot reproduce on their own, infect cells and usurp their genetic machinery for use in making new viruses…. But just how viruses use the cell machinery is unknown.… Some answers may come from work with

Author: Bethany Brookshire / Source: Science News Next in speedy trains Future trains, in [Hisanojo] Ozawa’s opinion, will all be powered by rockets and run over rollers instead of rails…. His next model will be equipped with three rocket engines and will aim for a speed of 1,180 kilometers an

Author: Bethany Brookshire / Source: Science News The dwindling dusky In the marshes around America’s spaceport, Kennedy Space Center, live the last few specimens of a bird that may be closer to extinction than even the much-mourned whooping crane. While the whooper might make a gradual comeback

Author: Cassie Martin / Source: Science News Starve the tumor, not the cell Animal experiments demonstrate for the first time that transplanted tumors release a chemical into the host’s bloodstream that causes the host to produce blood vessels to supply the tumor.… If such a factor can be

Author: Bethany Brookshire / Source: Science News Kidneys lead the field While the drama of human heart transplants has grasped the public interest, kidney transplants are ahead in the field…. Although only three little girls are now surviving liver transplants, the liver is a promising field