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New research reveals why the saber-tooth tiger needed such large teeth.
(Source: DCMP)
Hagerman Fossil Beds National Monument in Idaho is home to over two hundred different species of fossil plants and animals: including saber tooth cat, mastodon, bear, camel, ground sloth, and many other species. Over 3,000 new fossil fragments are found each year.
Smalltooth sawfish have been around for over 50 million years, but today they are threatened. Its toothed rostrum can easily become entangled in fishing lines, but anglers are learning how to handle them for a safe release. Part of the "Endangered Ocean" series.
In this episode, Dr. Fus from Ohio State University discusses some of his science experiments. He also explains the chemistry behind some chemical reactions. As a finale, Dr. Fus demonstrates his "elephant toothpaste" experiment.
Where do bacteria live, and how long have they been here? How can you tell them apart? What do they do to people and the environment? Answers these and other questions in this overview. Examines the fundamental structure of the bacteria cell, types of bacteria, and their importance to humans and the environment.
In this series, explorers travel the diverse and natural sanctuaries of the Gulf of California. Each episode highlights the fauna and flora of this region. Some of the locations visited include Revillagigedo Islands, the Espíritu Santo (Holy Spirit) National Park, and Cape Pulmo. Part of the "Inside the Sea" series.
In each episode, viewers are given clues about a hidden animal inside a magic box. Can viewers use all the clues to correctly guess the name of the toothy fish featured in this episode? Part of the "Zoobabu" series.
Uses the fascinating setting of a circus to provide the analogy for growth. A magician creating the illusion of multiplying balls introduces microphotography, showing how cells divide and multiply. Shows how bones are continually being built and destroyed and, in a spectacular sequence of time-lapse photography, actually captures a tooth growing-from the moment it first appears out of the gum until it falls out.
Anna was born with a sweet tooth, and as a young woman, she created a successful business using it. Her delicious jams and jellies gave pleasure to many, but did they also cause harm? Explores the way the human body processes food and how its long-term growth and development are shaped by eating habits. Illustrating cellular aging and its relationship to AGEs, or advanced glycation end products, a connection is drawn between the bacteria an infant must consume to build a healthy immune system and the bacteria that consume the body at death. As Anna's life draws to a close, viewers will understand that "dust to dust" is a cycle in which humans take an active part--every time they sit down to a meal.
Part of the animated "Johan, the Young Scientist" series. Intrigued by the idea that wet laundry can simply dry up, Johan goes to ScienScape to learn about evaporation and condensation. Together with Moki and Ani, they must solve the puzzle of how to hold water using a toothpick.
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Biology related concepts
A collection containing 59 resources, curated by Benetech
