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Part of the "Branches on the Tree of Life" series. Echinoderms are one branch of the deuterostome line of animal evolution, the branch to which Chordates also belong. Covers phylum characteristics and key biological details for five classes: sea stars, brittle stars and basket stars, sea urchins and sand dollars (including developmental stages), sea cucumbers, and crinoids (feather stars).
(Source: DCMP)
Sand particles from the Sahara desert have long been known to travel across the Atlantic Ocean and southward to the Amazon rain forest. These accumulations are known as dust carpets, and they form as water molecules adhere to the sand particles. As water and sand adheres to one another, they form droplets that accumulate into clouds. However, the Mongolian desert dust carpets present problems for ecosystems upon which it falls. This program explores the science behind the storms and their impact on global climate.
Moko is an explorer. As he travels the world continent by continent, he makes many friends and discovers many natural phenomena which sometimes delight him, and other times scare him. Each animated episode recounts an adventure and takes an "original story" approach to explaining these natural phenomena. In this episode, Moko had gone to see his friend, the wise old man who lives on the other side of the village. There were such pretty flowers that Moko could spend the entire day contemplating them. The old man picked a beautiful rose and handed it to Moko. But on the way back, the sun was so hot that the flower began to wilt. Moko was so sad that he laid the withered rose on the ground and started to cry. The wind rose, sweeping across the ground. Moko then saw that his rose was still there, more beautiful than ever and sparkling, its petals solid as stone. It had become a desert rose, as rare as water in the desert.
Focuses on animal life in four extremely inhospitable deserts: the Namib's adaptive elephant, a dromedary roundup in Australia's outback, fish in thermal lakes in Mexico's Chihuahua desert, and the Sahara's Ennedi crocodiles. Survival is an eternal challenge to any life in these places.
Is there beauty in a kidney cell? Microscopist Ruben Sandoval thinks so. Sandoval creates kaleidoscope--like artworks from the microscopic cell images he generates through his work. His art was born from the science he practices, and his scientific techniques have now been influenced by his art. Part of the "Artrageous With Nate" series.
Dr. Chris travels the globe and experiences the extremes from lava to sand to snow. He begins his journey on the island of Vanuatu where he comes face-to-face with an active volcano. His next stop is Abu Dhabi where he samples all the city has to offer. Then, Dr. Chris heads to the Australian Alps and gets a little carried away when a team of sled dogs takes him for a ride. Part of " The Open Road With Dr. Chris" series.
NASA robotics engineer Sandeep Yayathi explains how he designs and builds humanoid robots that can work alongside astronauts. Part of the "Design Squad Nation" series.
Hurricane Sandy was the deadliest of the 2012 hurricane season and was the second costliest hurricane in U.S. history. University of Washington civil engineer Dorothy Reed and her team received a grant from the National Science Foundation to study how Hurricane Sandy affected the infrastructure of the New York Metropolitan area, including the power and transit systems. Reed and her team area creating highly detailed maps to construct a comprehensive street-by-street view of Sandy’s devastation.
Moko is an explorer. As he travels the world continent by continent, he makes many friends and discovers many natural phenomena which sometimes delight him, and other times scare him. Each animated episode recounts an adventure and takes an "original story" approach to explaining these natural phenomena. In this episode, Moko and Mei-Lei head off to the forest to pick some plants that can't be found anywhere else. Moko is following Mei-Lei's lead as she knows what to do. She picks a leaf and lets it float away, and Moko picks it up. All of a sudden, both his feet sink into the quicksand and he can't get free. Some fishermen come to his rescue and they pull him to safety. Moko and Mei-Lei head back towards the village thinking that the forest is jealous and possessive, since it clearly wanted to keep every leaf and every plant for itself.
This episode reveals the devastating impact of human activity on the ocean, focusing on the Mediterranean's contentious bluefin tuna fishery and the Gulf of Mexico's massive deoxygenated dead zones. It also celebrates various conservation efforts and sustainable practices. Part of the "One Ocean" series.
In less than a second a sandfish lizard can dig its way into the sand and disappear. The sandfish's slithering moves are inspiring new robotic moves that could one day help search and rescue crews find survivors in piles of rubble left from disasters. With support from the National Science Foundation, physicist Daniel Goldman and his team at Georgia Tech are studying the lizard’s movements, using x-rays to track it underground. Their findings will contribute to engineering designs for deployable robots that could one day help canine search and rescue teams find survivors more quickly.
The Coastal Plains Institute has teamed with governmental agencies, nonprofit organizations, volunteers, and local children to reintroduce the striped newt to the Munson Sandhills region of the Apalachicola National Forest. After an extended drought, striped newts disappeared from the forest. During a recent exploration of the forest, a group of citizen scientists discovered the newts are making a comeback. Part of the "EcoAdventures in North Florida" series.
A newborn camel arrives on the desert sands, and it's up to its mother to teach it the ways of a hot and arid climate. Part of the "Oh Baby!" series.
When Genoveva opens her magic book, the screen is filled with feathers, beaks, horns, legs, wings, and snouts. Genoveva's magic book transports her to various habitats where she learns about the animals that live there. In this episode, Genoveva watches as a pair of eyelashes and two large humps appear between the wind and the sand of the mysterious desert. Genoveva visits the world of camels.
Piping plover nests are simple depressions in the sand. The Atlantic Coast population of the piping plover breeds along sandy beaches from Newfoundland to North Carolina, and conservationists are working to protect all essential habitats along their flight path, including its resting place in North Carolina.
Self-taught scientists and engineers, Wilbur and Orville Wright taught the world how to fly and are one of America’s greatest success stories. Their first successful flight, on North Carolina's Outer Banks, took place in December 1903. Next, they returned to Dayton, Ohio and continued to develop and test the world's first practical airplane.
Moko is an explorer. As he travels the world continent by continent, he makes many friends and discovers many natural phenomena which sometimes delight him, and other times scare him. Each animated episode recounts an adventure and takes an "original story" approach to explaining these natural phenomena. In this episode, Moko and Mei-Lei suddenly hear a continuous sound coming from beyond the beach. As they approach the hills, the sound gets louder and Mei-Lei is more frightened, so Moko decides to go around the dune on his own. As he does so, the sound changes and becomes more of a song. Moko returns and tells Mei-Lei that it is the sand and the ground singing together. Moko thinks that the magical dune is urging him to go on with his travels and he knows that this is likely his last day in the village.
Towering gypsum dunes span hundreds of square miles in New Mexico's White Sands National Monument, and hundreds of animal species thrive in this unique ecosystem. The lizards living in White Sands National Monument have attracted biologists from the University of California, Berkeley. The lizards are undergoing adaptation and speciation on an extraordinarily rapid timescale. Part of the “Science Nation” series.
The United States Geological Survey (USGS) conducts research on the Mojave Desert Tortoise, and part of the research includes ensuring the survival of the species. This short clip depicts the hatching on new Mojave Desert Turtles.
A maritime forest is a forest that is on the coast and is influenced by sea spray. These areas are not found in very many places, and they serve as an oasis for wildlife. They are important for coastal resilience, and they help stabilize the shoreline.
Showing collections 1 to 2 of 2
Resources to teach younger students about animals
A collection containing 58 resources, curated by DIAGRAM Center
A collection of simulations from PhET.
A collection containing 15 resources, curated by Charles LaPierre
