The puffer fish is a famous type of fish in Japan. If it's prepared properly, it's a safe and delicious meal. If it's not, it can kill those who eat it. How do chefs prepare the fish correctly? What are scientists doing to protect people who eat puffer fish?

Trinidad and Tobago is famous for its beautiful birds. One man has made it his life's work to study them. He's trying to photograph all of the 460 types of birds on the island. But there's one special bird that's difficult to find. Will he succeed?

Beagles are dogs with an extremely powerful sense of smell. They often work at airports to find illegal or unsafe items. Before they can do the job, they must go through training. What does it take to be on the Beagle Patrol? What happens to dogs that don't make it?

Dolphins are intelligent animals that live in the ocean. Every year thousands of dolphins swim too close to beaches by mistake and get caught. If left outside the water, they can die. This happened to a dolphin in Texas named Cupid. What happened to Cupid? Was he saved?

Orangutans are animals that are similar to humans in many ways. One similarity is their ability to communicate through language. This ability is being studied in a program at a zoo in Washington, DC. What is the purpose of this program? How does it work?

The Arctic region of Canada is home to a huge depression in the earth called the Haughton Crater. A group of explorers has come to the area to explore the challenges expected when traveling to Mars. What challenges will they experience? What preparations are being made for a trip to Mars here on Earth?

In the 1800s, the Rocky Mountain locust brought massive destruction to Western settlers. Then, the insects suddenly disappeared - almost without a trace. Now scientists hope to find a reason for the locust's extinction. What caused the Rocky Mountain locust to disappear? Where will the scientists find the answers?

Humboldt squids, or Red Devils, are the world's largest animal without a backbone. These sometimes dangerous creatures live in the deep waters of the Gulf of California. A researcher and professional diver have come to the Gulf to learn more about them. Will they find any Red Devils? Will they be able to observe them safely?

Running from Paris to Istanbul, the Orient Express is a first-class hotel on wheels. Once a year, travelers can ride the luxury train across Europe just to enjoy the journey, but it's hard work to make the grand train run smoothly. Who is responsible for the train's success? What unique difficulties do they face?

Fish River Canyon, Namibia was once home to many wild animals. Over time hunters killed them for food and sport. Now, conservationist Natacha Bateau wants to help. She wants to rescue animals from other areas and bring them back to the canyon. Will Natacha's animal rescue succeed?