So, first of all, a little preamble. This week and next I am volunteering to work with autistic children. The boy I've been assigned to help look after has no language, doesn't use Makaton signs and is, for the most part, very disengaged. This got me to thinking about Lines in the Sand, and the whole "oh my God, you really connected with him" thing ( Read more... )

Oh my God, http://www.livescience.com is my new favourite website. It's fantastic. Although I don't understand why a low variability of skull size would indicate movement away from Africa - I know I'm being dense here but I just don't understand the reasoning. Wouldn't it make more sense if there was higher variability the further you moved from ( Read more... )