World’s Strangest

Your source for the strangest things around!
Ads

How Did Humans Develop Lactose Tolerance?

The majority of the world’s people become lactose-intolerant as they mature into adulthood. The exceptions are mostly people of European ancestry, who continue to drink milk all their lives. Why? It’s a case of genetic mutation, in which an adult continues to produce lactase, the enzyme that digests the milk sugar lactose. But why did [...]

5 Signs Humans Are Still Evolving

When we think of human evolution, our minds wander back to the thousands of years it took natural selection to produce the modern-day man. But are we still changing as a species, even today? New research suggests that, despite modern technology and industrialization, humans continue to evolve. “It is a common misunderstanding that evolution took [...]