As evidence of hybrids in the human family tree grows, researchers rethink the concept of species. The classic textbook definition, known as the biological species concept, is a group of organisms ...

In “Defining ‘species’ is a fuzzy art” (SN: 11/11/17, p. 22), Susan Milius asked scientists to define “species.” Schoolbooks may define the concept as a group of organisms that create fertile ...

Fossils from the so-called Olduvai Hominid 7 (OH 7), a Homo habilis, including a partial lower jaw, bones of the braincase and hand bones. The extinct human species long thought of as the earliest ...

Why is Christian Science in our name? Our name is about honesty. The Monitor is owned by The First Church of Christ, Scientist, and we’ve always been transparent about that. The church publishes the ...

QUESTION: How many animals are in the world? ANSWER: One of the wonderful things about living on planet Earth is that there is other life, and lots of it. How boring would it be if we never saw a bird ...

This is a preview. Log in through your library . Abstract Premise of research. Recently diverged taxa may not exhibit strong morphological or DNA sequence differences, making evaluating species ...

A new study of the genetics of African elephants shows that forest dwellers differ so much from those roaming the savannas that the two may be separate species. And that may not be the end of the ...