Just a friendly reminder that the next Four Stone Hearth is in four days. and will be hosted at the always interesting Anthropology in Practice. Be on the lookout for good anthropology writing and submit them to me or to Anthropology in Practice.
Also, there is still a hosting vacancy for 10/10/10 if anybody is interested in hosting on that date (or any other) please contact me.
Scientists have known for decades that time passes faster at higher elevations — a curious aspect of Einstein’s theories of relativity that previously has been measured by comparing clocks on the earth’s surface and a high-flying rocket.
Now, physicists at the National Institute of Standards and Technology (NIST) have measured this effect at a more down-to-earth scale of 33 centimeters, or about 1 foot, demonstrating, for instance, that you age faster when you stand a couple of steps higher on a staircase.
Described in the Sept. 24 issue of Science, the difference is much too small for humans to perceive directly — adding up to approximately 90 billionths of a second over a 79-year lifetime — but may provide practical applications in geophysics and other fields.
Filed under: Physics | Comments Off on Einsteinian Relativity At A Personal Scale
I am sure that most of my readers have heard that George Williams has passed away. Williams, for those of you who are unfamiliar with him, was one of the giants of evolutionary biology. His book Adaptation and Natural Selection is one of the must read classics in the field – and certainly one anthropologists of all stripes should be read. His paper Pleiotropy, Natural Selection, and the Evolution of Senescence, for example, contains the the first outline of the grandmother hypothesis – something paleoanthropologists have been arguing about for years. Williams was also concerned with the evolution of sex and a pioneer in the field of evolutionary medicine.
Update 1: Carl Zimmer has a piece that explains how all these different strands come together in Williams work.
Filed under: In Memoriam | Comments Off on In Memoriam: George Williams
About a month ago I mentioned that the National Park Service had made a horrible decision to delist Blair Mountain from the National Register of Historic Places. They are now being sued: Continue reading
Filed under: Cultural Resource Management | Comments Off on Blair Mountain Update