Uncategorized

  1. Animals

    Jay Watch: Birds get sneakier when spies lurk

    A scrub jay storing food takes note of any other jay that watches it and later defends the hoard accordingly.

    By Susan Milius
  2. Anthropology

    Hybrid-Driven Evolution: Genomes show complexity of human-chimp split

    A controversial new genetic comparison suggests that human and chimpanzee ancestors interbred for several million years before evolving into reproductively separate species no more than 6.3 million years ago.

    By Bruce Bower

  3. 19681

    Unlike some, I find no problem with the idea of hybrids between ancestors of chimpanzees and humans. We have to assume that any speciation event will be protracted. The collection of genes that separate humans from apes would hardly have arisen in a single individual.