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In this episode, Rob Franek from The Princeton Review discusses the new changes made to the SAT. Scott also reports on the new transformations at the National Aquarium in Baltimore. All of the animals were removed, and a new coral reef was constructed. Christin explains the need for proper lighting when studying. Other segments include the history of Maine's flag, dental tips, weird and wacky movie laws, and a recipe for an apple tart. Part of the "Teen Kids News" series.
(Source: DCMP)
As shown on the History Channel. It is not only a place of natural splendor, but a geologic treasure trove as well. Hidden in the sediments of the rocks in its walls is evidence of the coldest time on our planet--ironic in one of the hottest places on Earth. Death Valley is literally being pulled apart, and the floor is collapsing and is lower than sea level. Here and across much of Nevada is the Basin and Range Province--a series of ridges of mountain ranges that are being pulled apart and the basins between them getting wider and flat as they fill with eroded sediment.
Scientist William Rowan is renowned for his research on the dark-eyed junco. Before Rowan, it was unknown what environmental cues animals used to time the seasonal changes in their biology. Through a groundbreaking experiment with the junco, Rowan discovered the physiological reaction of organisms to the length of day or night. Shot as an historical re-enactment, this segment provides a glimpse into the history and human dimensions of scientific research and reveals one of the first studies that made juncos well-known to biologists. Part of Ordinary Extraordinary Junco (Chapter 1).
Throughout North America, the species known as the dark-eyed junco exhibits striking differences in feather color, body size, and behavior from place to place. These variations among subspecies have caught the attention of biologists interested in diversification, evolution, and speciation. This segment features footage from junco habitats across the continent as researchers try to decode the riddle of the Junco’s evolutionary history. Part of Ordinary Extraordinary Junco (Chapter 3).
The heart is the most symbolic organ of the human body. Across history, it has been seen as the source of emotions and the center of human existence. However, by the seventeenth century, scientific understanding overturned historical ideas, and the heart was recognized merely as a mechanical pump. More recently, Professor David Paterson from the University of Oxford has been doing extensive research that challenges this view. He has discovered that the heart has millions of specialized neurons just like those that are in the brain. Neurons are the cells that give humans the ability to think. So what does their presence in the heart mean?
As shown on the History Channel. Gold dates from the time of the supernova explosion that gave birth to the building blocks of our solar system. When it was created, the Earth included a tiny percentage of gold atoms, and over the aeons geologic processes have concentrated it into various nooks and crannies around the globe. The best of it is in the ancient Precambrian rocks in South Africa, where the deepest mines in the world extract it. In other regions of the world, gold can be gathered from younger sedimentary rocks that have been eroded off older Precambrian rocks. The American gold rush was this type of deposit. Now in Nevada, sedimentary rocks are leached on a truly vast scale to extract the gold.
As shown on the History Channel. In the remote wastes of Siberia buried under snow are the remains of one of the greatest catastrophes that the Earth has endured. 250 million years ago, huge volumes of lava spewed out onto the surface--so much that it would have buried the whole of Texas under one mile of lava. At first the temperature dipped but then the greenhouse gases that escaped from the depressurized lava caused a massive global warming. It wreaked havoc, and 95% of the species on Earth became extinct. Yet life hung on and in time this disaster paved the way for the next phase of life on earth--the age of the dinosaurs.
In the top story, Katie speaks with a group of teens who are raising money for Save the Children. Save the Children is an organization that helps kids around the world by providing food, shelter, medicine, and a brighter future. Eden debunks some common health advice. She gets the facts on: going outside with wet hair, how long gum stays in your stomach, whether or not milk actually helps people sleep, and if scaring someone is an effective cure for hiccups. Magdalene reports on the internal navigation of humpbacked whales. Scientists have found that humpbacked whales can do a thousand-mile trip in almost a perfectly straight line. Other segments include the history behind Florida's state flag and the Vietnam Memorial in Washington, D.C. Part of the "Teen Kids News" series.
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Resources to teach younger students about animals
A collection containing 58 resources, curated by DIAGRAM Center
