evolution Archive

The Mystery of Homo naledi

A new human species possessing traits of both ancient hominids and modern humans has been found to have lived far more recently than scientists initially believed—pointing to the existence of a “shadow lineage” of primitive …
Klebsiella pneumoniae

The Evolution of the Superbugs

In August 2016, a woman in her late 20s arrived in a hospital in Reno, Nevada, carrying a particularly deadly strain of the bacteria Klebsiella pneumoniae. The woman, who recently had traveled to India, and …

Tapirs of Belize

What is a Tapir? The Central American Tapir (Tapirus bairdii), also known as the Baird’s Tapir or Mountain cow, is the largest indigenous mammal in Central America.  They superficially resemble large pigs, with mature adults …