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Tyrannosaurus Sue

The prehistoric giant stands again Sue is a sensation. It's not just that she's 42 ft long and 65 million years old. She's the world's most complete, best preserved, and largest Tyrannosaurus…

Plants that Kill

—By Arden Dore Oleander, lily-of-the-valley, mistletoe, and azaleas are among the most beautiful plants. But ingesting them can cause sickness and, in some cases, even death. Below is a…

Plants That Heal

For thousands of years, people from all corners of the globe have used herbs and plants to cure or prevent disease. There are several terms for this form of medicine: aromatherapy,…

U.S. Zoos and Aquariums

Source: The facilities listed are members of, and accredited by, the American Zoo and Aquarium Association (AZA) to ensure that they are maintaining professional standards. The AZA also accredits…

Scientific Classification

Classification, or taxonomy, is a system of categorizing living things. There are seven divisions in the system: (1) Kingdom; (2) Phylum or Division; (3) Class; (4) Order; (5) Family; (6)…

Classification of the Dinosaurs

Dinosaurs (“terrible lizards”) belong to a large group of reptiles called Archosauria (“ruling reptiles”). They are classified into two distinct orders, which are distinguished by their pelvic…

75-Million-Year-Old Dinosaur Voice Heard Again

A team of computer scientists and paleontologists from Sandia National Laboratories and the New Mexico Museum of Natural History and Science Museum has recreated the sound that a Parasaurolophus…

Invertebrates

Vertebrates and Invertebrates Warm-blooded animals regulate their own body temperatures; their bodies use energy to maintain a constant temperature. Cold-blooded animals depend on their…