The existence of progenitor food crops (edible plants) on Earth was a necessary starting point for the availability of our food.
The stone objects, dated from 50,000 years ago, look like the ones made by capuchin monkeys today.
Racism was not just an incidental part of Darwin’s evolutionary theory. Rather Darwin considered racial inequality crucial evidence for his theory.
The spines of Australian echidnas and North American porcupines are remarkably similar.
Not only racism, but racial extermination was an integral feature of Darwin’s theory from the start.