Polymorphism in vertebrates

by Greg Mayer Darwin’s theory of evolution (and ours), unlike that of Lamarck, is variational, rather than transformational: the process of evolution is a change in frequency of different variants within a population, not a transformation of the individuals.  Darwin thus made the origin, nature, and inheritance of variation key problems for biology; indeed, for […]

New human evolution hall at the National Museum of Natural History

by Greg Mayer Last Wednesday, the National Museum of Natural History (known to biologists as the USNM, the initials of its former name and still the identifying code on its specimen tags and labels) opened its newest permanent exhibit, the Hall of Human Origins. I was at the USNM much of last week, mostly doing […]

New human evolution exhibit to open at the USNM

by Greg Mayer The Smithsonian‘s National Museum of Natural History (known to biologists as the USNM) has announced that its new Hall of Human Origins, first announced in 2006 and originally slated to open this year,will open in March of next year. Normally this would be unadulterated good news; WEIT readers will recall the ‘thumbs […]

A day at the museum

by Greg Mayer Last Monday I spent a few hours at the Smithsonian‘s National Museum of Natural History (originally known as the United States National Museum, and still known as the USNM to scientists, even after the Smithsonian began collecting art, airplanes, tchotchkes, etc., and thus gave its museums more specific names), and came across […]