Looking at the current distribution of ratites (large flightless birds including ostriches, rheas, emus and cassowaries) and understanding t...
Looking at the current distribution of ratites (large flightless birds including ostriches, rheas, emus and cassowaries) and understanding t...
The Chad Basin is both a topographic and a geologic sedimentary basin that covers nearly 8% of the African Continent, stretching from southe...
The Dead Sea Transform marks the western edge of the Arabian Plate, extending from the East Anatolian Fault (in southeastern Turkey) to the ...
Last evening, NOVA , on PBS, focused on the discovery and evaluation of Spinosaurus fossils, the largest carnivorous dinosaur yet unearthed ...
Driving across the Great Plains today, I noticed that sorghum covered most of the crop fields, especially in central Kansas. Native to nort...
Ebola is a filamentous, RNA virus; of the five known species, four cause disease in humans. Fruit bats appear to be the natural host (carri...
About 200 million years ago (MYA), the Tethys Sea split Pangea into Laurasia (the northern continents) and Gondwanaland (the southern contin...
Almost 3000 miles long and second only to the Amazon in its annual flow volume, the Congo River curves counterclockwise through the Democrat...
Madagascar, the fourth largest island on Earth, lies off the southeast coast of Africa, in the western Indian Ocean. Oriented northeast to ...
The Canary Islands are a volcanic island chain off the northwest coast of Africa. Current geologic evidence suggests that this Spanish arch...
The East African Rift is the southern end of a rift system that extends from the Jordan Valley of the Middle East to the coast of Mozambique...
Tuning into the PBS News Hour last evening, one of the few television shows of any value, I watched two stories that highlighted the vast an...
The vast Sahara Desert, which stretches across North Africa, began to form in the late Miocene and early Pliocene, some 10 million years ago...
When geologists first explored the Falkland Islands, 250 miles off the coast of southern Argentina, they found rock strata that did not corr...
During the Permian Period, some 250 million years ago (MYA), future Africa was encased within the combined land mass of Pangea. Then, about...
As Pangea continued to break apart, Madagascar split from Africa, some 160 million years ago. Drifting to the south, it merged with the rem...
There are moments in our life when we suddenly see our world in a different light, when our perspective changes and our life takes a new cou...
Primates, the mammalian family of which we are a member, first appeared at the beginning of the Cenozoic Era, some 65 million years ago. Wit...
The Rift Valley of East Africa is the southern end of a 4000 mile rift that begins in the Beqaa Valley of Lebanon and extends southward thro...
During the Permian Period, 250 million years ago, the continents merged into a single land mass, known as Pangea. Fifty million years later...