Here's What The Earth's Mammal Population Might Look Like If Humans Never Existed

Things have changed.

When you want to go on a safari, you go to sub-Saharan Africa, the only place in the world outside of a zoo where you can see rhinos, elephants, hippos, and leopards all at once. According to a new study, this isn't because Africa has the optimal climate and environment for these large mammals, but rather because it's one of the only areas where human activities have not yet wiped out the majority of animals.

Read Full Story