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Birds had four wings before setting on two – study

Birds had four wings before setting on two – study

WASHINGTON — In order to achieve bipedal flight, birds first had to ditch two hind wings over the course of their evolution, according to a study to be published Friday in the journal Science. Recently, several fossils have shown that some dinosaurs had large feathers on both fore limbs and hind limbs. But, until now, no examples of this four-winged body plan have been described... 
Brown hare

Brown hare

Manila, Philippines – Nostalgic and symbolic scenery in British countryside is the brown hares sighted early in the morning or in the evening on open grassland, especially near farmland or heathland. The brown hares have become increasingly rare.  Read More »
iPS cell Research in Japan

iPS cell Research in Japan

Manila, Philippines – Induced pluripotent stems (iPS) cells can grow into many kinds of human cells and are thought to have great potential in the treatment of disease. In November 2007, Dr. Shinya Yamanaka and colleagues at Kyoto University, Japan, released the studies that they successfully transformed human fibroblasts into iPS cells. In November 2008, scientist at the Riken...