Observe red blood cells under a microscope to examine their appearance after exposure to tequila. This microscopic ...

Chemical tests on Aratasaurus bone identify presence of heme, the organic compound that allows haemoglobin in blood to carry oxygen around body ...

New study finds fossilized red blood cells and heme in a 115 million-year-old dinosaur bone, expanding fossil chemistry.

What if dinosaur bones could actually tell us what those ancient creatures were really like, not just in shape, but in the ...