Why does technological progress ever happen at all? The mistake of the first question is the intuitive but incorrect notion that technology naturally moves forward on its own over time—it doesn’t. I can tell you this for sure, because my Time Warner DVR has the exact same horrible user...
The appearance of bison in North America is both ecologically and paleontologically significant. We analyzed mitochondrial DNA from the oldest known North American bison fossils to reveal that bison were present in northern North America by 195–135 thousand y ago, having entered from Asia via the ...