Study Reveals a 407-million-year-old Fish Fossil that Uncovers the Origins of our Arms and Legs
A recent discovery of a 407-million-year-old fish fossil, Kolymaspis sibirica, has shed light on one of evolution’s most profound mysteries: the origins of limbs. For decades, scientists have been puzzled by how our arms and legs evolved from the fins of ancient fish. This new research suggests that our limbs may have originated from gill ...











