TPO-45Microscopes The Beringia LandscapeDuring the peak of the last ice age, northeast Asia (Siberia) and Alaska were connected by a broad land mass called the Bering Land Bridge. This land bridge exi
TPO-43The Empire of Alexander the GreatIn 334 B.C. Alexander the Great took his Greek armies to the east and in only a few years completed his creation of an empire out of much of southwest Asia In th
TPO-43The Empire of Alexander the GreatIn 334 B.C. Alexander the Great took his Greek armies to the east and in only a few years completed his creation of an empire out of much of southwest Asia In th
