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Psychiatrist and author Dr. Norman Doidge travels across North America to meet some of the pioneering researchers who made revolutionary discoveries about the plasticity of the human brain. He also visits with people, once thought to have had incurable brain injuries, who are now living normal lives. Known in scientific circles as "neuroplasticity," this radical new approach to the brain provides an incredible way to bring the human brain back to life.
(Source: DCMP)
As shown on the History Channel. Why do we have ice ages and when is the next one due? Chart the progress of different ice ages through the history of our planet, from Snowball Earth hundreds of millions of years ago to the recent ice ages. As the Earth circles the sun, its orbit changes slightly and so does it angle of rotation. When the right wobble in our rotation combines with the right orbit, the Earth is, and will again be, plunged into an ice age--but maybe not for a few thousand years.
Figure 2.6 (OpenStax, Biology 2e) caption: In 1913, Niels Bohrs developed the Bohr model in which electrons exist within principal shells. An electron normally exists in the lowest energy shell available, which is the one closest to the nucleus. Energy from a photon of light can bump it up to a higher energy shell, but this situation is unstable, and the electron quickly decays back to the ground state. In the process, it releases a photon of light.
(Source: OpenStax)
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, one day, it was very hot and the earth was very dry. Concerned that no rain was coming, Moko set out to find a man believed to be a wizard. The man told him to follow the path of the dunes, which would take him to a sea of sand. Moko walked for a long time. Suddenly a strange shape appeared in the distance. It resembled trees surrounding a small pond. But a few steps later he couldn't see it anymore. It had vanished into the immensity of the desert. Moko scanned the horizon again. He turned full circle and once again saw the pretty pond and surrounding trees. He walked toward it slowly, never taking his eyes off it, his heart pounding. This time he reached the edge of the small oasis, relaxed in its freshness and drank.
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, intrigued by the name given to the mountains, "the hills of the round earth," Moko sets off to find out if the earth is really round. An old man tells him if he keeps walking straight, he could travel round the earth and get back to his starting point. Moko follows his advice but since he never got the feeling he was walking around a sphere, he still thinks the earth is flat.
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, in the middle of the day, the sun gradually vanishes. Moko is frightened and wonders what wizard could do such a thing. With the village wise man, they set out to find the sorcerer who made the sun disappear. They question all the sorcerers they know but fail to find the one responsible for such an act. So they decide to join all the people of their village and the neighboring villages and watch the sky. An old woman watches them, smiling. She explains that when she was a child the same thing happened, but that the world would become normal again. And indeed the sun returned at the end of the solar eclipse. Moko told himself that perhaps the sun was simply tired and for once decided to go off and take a nap.
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A collection of Chemistry related resources
A collection containing 67 resources, curated by Benetech
Resources to teach younger students about animals
A collection containing 58 resources, curated by DIAGRAM Center
