Tag Archives: africa

Why does it hurt to breathe cold air? Who “nose”?

I am always astounded that we humans have made it as far as we have. Being large, nearly-hairless apes, it’s amazing that our ancestors managed to survive as they migrated out of Africa and into Eurasia, facing much harsher and colder climates than they had been accustomed to. But I assume that human success hasContinue reading “Why does it hurt to breathe cold air? Who “nose”?”

Eocene Fishes from Libya: Completing a Picture of the Past

One of the largest, and sometimes overlooked, fossil record belongs to fishes, spanning hundreds of millions of years since their origin in the mid-Paleozoic. Such an immense fossil record has given ichthyologists an advantage in developing comprehensive hypotheses of evolutionary relationships of fishes both living and extinct. But even with such a expansive fossil record,Continue reading “Eocene Fishes from Libya: Completing a Picture of the Past”