Tornado Fact 2. Tornadoes are measured and rated using the Fujita scale.

Tornado Fact 3. Tornadoes tend to occur in mid-latitudes, and as they are restricted to land masses this means mainly in the northern hemisphere

Homo Habilis and Associates   by Jerry Boone

Dryopithecines - Lived 15 to 20 million years ago in Europe, Asia, and Africa.

Mary Leakey found and named "Proconsul africanus" in 1948. They are thought to be forest dwellers. Their teeth are ape-like -small, with canines sharp and projecting. Probably dryopithecines walked in a fashion similar to monkeys on the top of branches. Manny different species have been discovered. It's impossible to tell how they were related.

Archaeology and the Peopling of the Americas: New Evidence from Texas Pushes the Entry Date Back to the Pleistocene   by Peter N. Jones

People have always been interested in the question of when American Indians first arrived in the Americas. Was it 10,000 years ago across a frozen bridge of land, or perhaps via small boats from Japan, eastern Asia, and Siberia 20,000 to 35,000 years ago.

Homology and Bio-Chemical Similarities

Do biological and bio-chemical similarities necessarily mean common ancestors? What else could it mean?