Confused about what we do and don't know about the relationship between humans and Neanderthals? This video by Lynn Fellman will get you up-to-date on the basics—including some of the questions that haven't been answered yet. It doesn't cover everything, but it is a nice primer on recent research and how that research was done.
EDIT: Bad news: Autoplay continues to be the devil. The good news: If you go to Lynn Fellman's website to view the video there, it doesn't autoplay. So follow the link and enjoy.
Image: Neanderthal Silhouette, a Creative Commons Attribution (2.0) image from erix's photostream
Researchers at UC Riverside and Centro de Investigación Científica y de Educación Superior de Ensenada have published a paper describing their ongoing success in setting a “transparent nanocrystalline yttria-stabilized-zirconia” into patients’ skulls, which reveal the patients’ brains so that the patients’ brains can be zapped with therapeutic lasers.
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