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A reindeer sled, Arkhangelsk, Russia. Late nineteenth-century photochrom.
Although average brain size increases gradually though time in H. erectus, individuals with small br
Rank-order correlations show that differential consistency remains high from childhood through late ...
Reduced mobility in late adulthood often results in more limited activities and smaller social ...
Ads from the public service campaign in the late 1960s and early 1970s that encouraged people to get ...
A late stage in mitosis after the chromosomes (stained blue) have separated