Add Yahoo as a preferred source to see more of our stories on Google. Ancient Assyrian texts detailed a legal system of paying blood money for murdered merchants. The blood money system created a ...

Blood tests are useful tools for doctors and scientific researchers: they can reveal a lot about a body's health. Usually, a blood sample is taken to get a picture of the large molecules that are ...

Dinosaur DNA may still be out of reach, but scientists are uncovering something almost as exciting—ancient blood vessels hidden inside fossilized bones. In a massive Tyrannosaurus rex nicknamed Scotty ...

Researcher Dale Greenwalt at the Smithsonian Institution, Washington D.C., has discovered that a 46 million-year-old fossilized mosquito in the Smithsonian’s collection is engorged with blood. The ...

Ancient Assyrian merchants often jotted down commercial and economic details on tablets as any business owner would, but they also kept track of something with more sinister: blood money. Paying out ...