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British naturalists Charles Darwin and Alfred Russel Wallace both set out on epic adventures to study various species and their development. They gathered evidence on the variation among individual members of a species, the relationships among species, and the patterns of geographic distribution across many species. Based on such evidence, they independently came to the same revolutionary conclusions: species change over time by means of natural selection, and species descend from other species.
(Source: DCMP)
The octopus is a master of stealth and disguise. Scientists have set up several obstacles and mazes for octopi to travel through in an attempt to study their anatomy. Segment of video from Wild Chronicles Series.
Part of "Show Me Science" series. Are animals intelligent? Bees communicate with each other. Monkeys use rocks and sticks to help them get food. Is this instinctual or is it evidence of thought? Some scientists believe that one measure of intelligence is self-awareness, and that an animal's reaction to its own image in a mirror can tell us whether or not it is self-aware. Looks at fish, birds, monkeys, and primates and their reactions to themselves in a mirror. Researchers look for signs of self-recognition as they observe, record, and interpret the reactions of these animals. Includes suggestions for careers in this field of study.
The Druid clan, so-named by scientific researchers, had been one of the largest and most powerful packs of wolves ever studied. When their dominant alpha leaders are killed, their reign over Yellowstone National Park's Lamar Valley comes to a sudden end. But a lone male, who has been courting some of the female juveniles, joins the defeated remnant of the Druids and helps them battle to recover their land.
Tessa, a brown capuchin monkey, joins the Jungle Friends Primate Sanctuary in Florida. She has been diagnosed with diabetes, and her owners are no longer able to care for her. At the sanctuary, Tessa learns to make new friends and follow a strict diet. Segment of video from Wild Chronicles Series.
An electric eel can generate enough current to stun its prey. Johns Hopkins University neuroethologist Eric Fortune traveled to Ecuador to study electric knifefish in their native habitat. Back at Johns Hopkins University, research collaborator mechanical engineer Noah Cowan and the rest of the team use Fortune's field data to help with their observations and experiments in the lab. With support from the National Science Foundation, they are studying the knifefish to learn more about how the brains of animals work to control their behavior.
Sherlock Olmos decides to dig deeper into dark corner of this great house to investigate the suspicious behavior of some chemical elements. The exchange of electrons and the characteristics of hydrogen, fluorine gas, and the noble gases are the primary subjects of his investigation. Part of Chemistry: Solved by Sherlock Olmos Series.
Political scientist James Fowler makes the connection between smiling profile pictures on Facebook and human evolution.
Go into any grocery store and cameras may be watching you. These cameras are not looking for thieves, they’re looking for shoppers. The cameras are focused on the tops of peoples’ heads (so it’s anonymous), but they don’t have to see faces to track which store aisles get the most traffic and how long consumers spend looking over products. With support from the National Science Foundation, computer scientist and CEO of VideoMining Rajeev Sharma and his team have designed software that automatically generates statistics about in-store shopping behavior. These statistics can provide valuable insights for supporting critical decisions in store layout design, merchandising, marketing, and customer service. Sharma’s team has developed similar technology to help caregivers monitor the elderly.
Chemistry is the science of interacting particles and the various states of matter. Developing a better understanding of the atomic model through experiments with gases, scientists discovered the Ideal Gas Law, developed phase diagrams, and learned about the properties of supercritical fluids. Today's chemists are exploring new ways to control the interactions of atoms, with the goal of making better hydrogen-powered cars and new technologies for the long-term, underground storage of carbon dioxide to reduce greenhouse warming. Part of the series Chemistry: Challenges And Solutions.
Do animals change their behavior when humans hike through the forest or move next door? Scientists looking to answer this question are relying on webcams. They are hoping to gather data to pinpoint adaptations in animal behavior related to human interaction.
With support from the National Science Foundation, wildlife ecologist Chris Wilmers and his team developed a collar to help them learn more about the behavior, metabolism and habitat preferences of mountain lions. In addition to its location, the animal’s behavior and physiology are recorded in unprecedented detail. They’re learning more about how the cats respond to different stimuli, such as climate, and interactions with other animals, and changes in the landscape created by development. Part of the National Science Foundation Series “Science Nation.”
Copying what others do is a familiar human trait. With support from the National Science Foundation, primatologist Marietta Dindo is researching how this copycat trait is shared by our primate cousins, specifically orangutans at Zoo Atlanta. When Dindo offered a novel way to open a box to get a snack, orangutans copied the behavior almost 100% of the time, and then passed it onto the others. This is how traditions are adopted among human populations. Dindo's study provides evidence that this copycat behavior runs deep within the primate family tree.
How do biologists answer questions and solve problems? Within the context of answering this question, data collection, recording, and analysis are overviewed. Examines two animal behaviors: feeding and communication. Illustrates the different behaviors of lions, alligators, and chimpanzees, and then highlights the "waggle dance" used by bees. Supports the learning of these concepts in tandem with the textbooks also offered by the publisher.
Ann Childers, an animal behaviorist, shares her knowledge of cat development, diet, grooming, common behavior problems, training and exercising, and health. She also discusses special concerns for working owners, coping with grief following the death of a pet, and reactions (allergic, fearful) that visitors may have and how to deal with these.
The goal of this research is to determine the mechanisms underlying predatory and defensive behavior guided by an extraordinarily novel sensor in snakes. Pit vipers, pythons and boas possess special organs that form images in the brain of the thermal environment, much like vision occurs in the human brain. Thus, these snakes see heat, and this amazing system is the most sensitive infrared detector on Earth, natural or artificial. A better understanding of infrared-based thermal imaging in snakes is important not only for understanding complex behavior in these highly efficient predators, but also for understanding the evolution of imaging sensors and the behaviors they support in other animals including people. Part of the National Science Foundation Series “Science Nation.”
Young Sophia and her friend Victor introduce a series of familiar animals such as bees, ants, ducks, and bears, whose behavior and natural instincts provide lessons about sharing.
Scientists study the behavior of the agile, fast, and elusive spider. A particular area of interest is the spider’s web. It is one of the strongest substances on earth and is integral for catching prey. Segment of video from Wild Chronicles Series.
Shows the structure, behavior, and life cycles of planarians and their free-living relatives (class Turbellaria). Illustrates the bizarre life cycles of flukes (class Trematoda) and tapeworms (class Cestoda) with detailed animations and revealing images of these parasites in action.
Showing collections 1 to 3 of 3
Resources to teach younger students about animals
A collection containing 58 resources, curated by DIAGRAM Center
A collection of Chemistry related resources
A collection containing 67 resources, curated by Benetech
Resources related to vision
A collection containing 12 resources, curated by Charles LaPierre
