We may never know if he ever really offered his kingdom for a horse, but we may find out the color of his hair and what ailments may have plagued him.
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In Science this week: gene linked to expansion of the human neocortex, and more.
The National Institute of General Medical Sciences director says changes the agency made have allow it to boost success rates.
Ancient DNA indicates Stone Age, hunter-gather inhabitants of Britain imported wheat.
Joel Achenbach explores at National Geographic why people find science difficult to believe.