WELCOME TO BIG CAT PARK
The forest of southwest India is home to two powerful predators: Bengal tigers and Indian leopards. This Indian sanctuary, the Nagarahole Tiger Reserve, is one of the few remaining places on earth where these two big cats live side by side.

SCIENCE GOOFS
Three of the Hat Geo researchers reveal the adventures and misadventures they experience during their expeditions in a personal interview

HOW TO SAVE A REEF
Around the world, coral reefs are in danger: Pollution, warmer waters due to climate change, and other threats can cause coral to die. An international report found that up to 90 percent of Earth’s coral is at risk. The good news is that many people are working to save them. These eco-heroes are working to protect coral.

UNDERSEA CITY
A coral reef might seem like a calm and quiet place to live, but the creatures that reside there are constantly in work mode: They’re building, cleaning, protecting, and gardening the coral reef they call home.