Chimps are physically stronger than humans, as demonstrated in recent national news when a chimpanzee severely mauled a Connecticut woman. Police were forced to shoot and kill it after its owner failed to subdue it with a knife from her kitchen.¹

Evolutionary anthropologists once thought that stone knives were developed in the late Stone Age, around 40,000 years ago. That figure was later revised to 200,000, around the Middle Stone Age, when stone blades were discovered in lower strata.

Researchers recently announced that they have unlocked some of the mystery surrounding the evolution of insect flight.¹ Their observance of a certain wingless insect led them to hypothesize that its “directed aerial descent” might be an important stage in flight evolution. But is it?

Arsenic is a common toxic component in pesticides and herbicides, and one place it is found naturally is in the hot springs of Yellowstone National Park. The arsenic in the water there would be deadly to many living creatures, yet the Cyanidioschyzon algae thrive in it because they are specially equipped to detoxify arsenic through chemical modification.

The last of a type of wild mountain goat was found dead in the mountains of northern Spain in 2000. The Pyrenean ibex, characterized by its curved horns, was officially declared extinct, but not before tissue samples were collected and preserved in liquid nitrogen.