More than 50% of your body heat is lost through your head. That's why in the wintertime we wear a toque (a woolen hat).
Child's bones proof of ancient malaria
Child's bones proof of ancient malaria DNA from a 3 year old child buried more than 1500
years ago in a Roman cemetery shows the earliest genetic evidence
of malaria. The DNA was 98 percent identical to that of people
today who have human malaria. Archeologists believe this new
evidence proves the hypothesis that a malaria outbreak contributed
to the decline of Rome. Until now, the evidence has consisted of a
few literary references and some clues in the cemetery for infants
located about 100 km north of Rome. All of the infants were buried
in a brief period around 450 AD, and researchers were able to
extract DNA samples from the child's leg bone. FEBRUARY 20, 2001
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