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Researchers are looking to glowing nature for new ideas. Imagine a world where everyday objects produce their own light. Bright trees illuminate city streets. Crops light up when they need water or are ready to be picked. Street signs gleam…
Veterinarians in Africa are working to save gorilla species—one patient at a time. Of all the mountain gorillas that veterinarian Mike Cranfield has treated in the past 18 years, Ijabo stands out the most. When Ijabo was three days old,…
Can zoos meet the needs of animals? Should zoos exist? For kids at the Philadelphia Zoo, in Pennsylvania, it was a close encounter of the ferocious kind. Directly in front of them was a Siberian tiger. But the kids did…
For kids at the Philadelphia Zoo, in Pennsylvania, it was a close encounter of the ferocious kind. Directly in front of them was a Siberian tiger. But the kids did not panic. They laughed. The tiger was inside an enclosed…
Twenty years ago, a sheep was cloned. Since then, cloning has become a big business. How far can cloning go? Dolly the sheep was born on July 5, 1996. And history was made. Dolly was the first successfully cloned mammal.…
The North American bison is now the official national mammal. What does the honor mean for the animal’s long-term survival? For 234 years, the bald eagle has been the U.S. national animal. But in May, President Barack Obama signed a…
Vultures play an important role in ecosystems. With vulture populations dropping fast, researchers are racing to save these strange birds. Vultures are often seen as scary creatures. Their bald heads, huge wings, hooked beaks, and long necks make the birds…
Thanks to government protections, grizzly bears have bounced back from near-extinction. But can they survive in the wild without help? Grizzly bears have all but disappeared from the continental United States (see map). But they are making a comeback in…
The ploughshare (plow -share) tortoise is one of the world's most endangered animals. Experts believe there are fewer than 300 adults in the wild. A small piece of land in northwest Madagascar is the species' only natural habitat. With their…
It was June 6, 1989, and President George H.W. Bush had just stopped elephant ivory from coming into the United States. A wildlife inspector spotted a shipment of 200 ivory buttons. The person shipping them said they came from the…
