No. It was a total surprise to them.
The attack was december 7, 1941
if a scientist was studying fossils they would examine a <em><u>skull fragment</u></em>!
<span>Advances that were made during the Han Dynasty:
Predict eclipses of the sun
Doctor's created new medicines
Chinese language grew from 3000 to 9000 characters
Paper was invented
Wheelbarrows and fine vases and china
Seismograph</span>
