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For Kari Cobb, hiking in the Grand Canyon is a journey through history. At the bottom, the Colorado River flows as it has for some 6 million years. Gazing up at the cliff face, Cobb can almost feel the presence…
The Taj Mahal, in Agra, India, is one of the most brilliant structures on Earth. Depending on the season and the time of day, the white marble monument takes on slightly different hues. But over the years, the Taj Mahal…
A new study shows that Pando, one of the largest organisms on Earth, is shrinking. Pando lives in Fishlake National Forest, in Richfield, Utah. Its name is Latin for “I spread.” The group of 47,000 aspen trees has a single…
There was once a tree in South Africa so wide it could fit 60 people inside its hollow trunk. The tree reached 62 feet into the sky. It was more than 1,100 years old. But recently, that tree and others…
A toxic algae bloom, or red tide, has killed thousands of animals off Florida’s Gulf Coast and driven people away from beaches. It is the worst red tide in Florida since 2006. Red tides occur when algae, a type of…
The world’s largest colony of king penguins has shrunk by 90%, researchers say. Thirty years ago, there were some 2 million king penguins on France’s remote island of Ile aux Cochons. It is located in the Indian Ocean, between Africa…
For many Americans, spring and summer mean more time outdoors—and lots of bugs. In fact, diseases spread by insect bites have tripled in the United States in recent years. That’s according to a new report by the Centers for Disease…
The sun goes down and a truck pulls up to a giant saguaro (sa- wah -ro) in the Sonoran Desert. Poachers wearing protective gloves step out. They dig up the cactus, wrap it in a carpet, and drive away. Cactuses…
Last year, Americans spent more than $22 billion on chocolate. But the tasty treat comes at a far greater cost than this. That’s because farmers in Africa and South America often cut down trees in the rain forest when…
One of the last unspoiled areas of Amazon rain forest lies in a remote region of northeastern Peru called Yaguas. The lush land stretches along 125 miles of the Putumayo River. Amazon rain forests are so massive that they…
