Was the Human Gut Healthier in Ancient Times?

Bodybuilding in ancient times: How the sea anemone got its back - EurekAlert!

Astronomers report that Venus may have had plate tectonics during ancient times and as a result, may have had a cooler more habitable environment, and possibly one capable of generating life forms.

Mind Tricks of Ancient Times: New Study Decodes Pareidolia in 40,000-Year-Old Cave Paintings