A still from an animation that shows the steps of how blood stem cells take root in the body of a zebrafish to generate blood. (Credit: Boston Children's Hospital/Stem Cell Research Program)

Image Captures How Blood Stem Cells Take Root

A still from an animation that shows the steps of how blood stem cells take root in the body of a zebrafish to generate blood. (Credit: Boston Children's Hospital/Stem Cell Research Program) A see-through zebrafish…

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Study over dogs says they arrived in Americas…

According to a new study done by the analysis of DNA sample taken from ancient dogs remains at more than dozens sites in North and South America researchers concluded that dogs might have first migrated successfully to…