Washington [US], September 16 (ANI): Researchers have discovered a 380-million-year-old heart, the oldest ever found, alongside a separate fossilized stomach, intestine and liver in an ancient jawed fish, shedding new light on the evolution of our own bodies.
Stockholm [Sweden], July 10 (ANI): According to an International team of scientists, the origin of our teeth goes back more than 400 million years back in time, to the period when strange armoured fish first developed jaws and began to catch live prey.