When it comes to elk in Wyoming and Idaho, it's a case of different places, same problem. Herds are booming, but hunters ...

Discover how Egypt is responding to rapid population growth and overpopulation by launching an ambitious project to re-green ...

With our population hitting 7 billion people, what does this mean for the health of our planet? Are we at risk of running out of resources? Join us for a new episode of SciShow where Hank talks about ...