Alessandro Mereghetti has 59 time capsules from Siberia that will give insights into which animals lived there more than 20,000 years ago, as well as what plants they ate and how they interacted with the landscape over millennia. These time capsules from the Siberian permafrost are coprolites. Also called fossilized feces. “Poop is a time read more Mereghetti analyzes ‘time capsules’ from last ice age