TTC Video - A New History of Life (2017)

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TTC Video - A New History of Life (2017)
TTC Video - A New History of Life
Course No. 1520 | English | MP4 | 570 x 320 | AVC ~1094 kbps | 29.970 fps
AAC | 91.5 kbps | 48.0 KHz | 2 channels | 17:43:10 | 8.7 GB
Genre: eLearning Video / Science, Earth History, Paleontology
Life is stranger than fiction. Recent investigations hint at episodes in the history of life on Earth that rival the most imaginative movies. For example: Could our planet have been seeded with life from elsewhere? Did the development of life create conditions that threatened to poison the biosphere? How have natural forces conspired, over and over, to remove most traces of life from the planet? And how has life itself responded with determination to survive and thrive in a multitude of astonishing forms?

Life is stranger than fiction. Recent investigations hint at episodes in the history of life on Earth that rival the most imaginative movies. For example: Could our planet have been seeded with life from elsewhere? Did the development of life create conditions that threatened to poison the biosphere? How have natural forces conspired, over and over, to remove most traces of life from the planet? And how has life itself responded with determination to survive and thrive in a multitude of astonishing forms?
The story of our world and the different living things that have populated it is an amazing epic with millions of species both familiar and strange, exotic settings, planet-wide cataclysms, and surprising Description twists. Humans are only the latest characters in this long-running drama, which has always been utterly unpredictable, since periodic mass extinctions are inevitably followed by life rebounding in unexpected ways. Indeed, life and the planet have developed together, each driving the evolution of the other.
Equally intriguing are the details of how scientists know what they do about the past. It is a detective story as riveting as any forensic thriller, with paleontologists and geologists taking the most unassuming pieces of evidence-a bit of fossil bone, a sequence of layers in rock, a geochemical test-and reading a rich narrative of past events. And by drawing on tools from other disciplines, such as biology, meteorology, and astrophysics, the scenes they describe can be truly monumental in scope, encompassing the entire Earth and even phenomena beyond the planet.
This multidisciplinary effort to understand Earth as a whole, as a system composed of many interacting parts, is called Earth system science, and it has given us an unprecedented understanding of the planet and the unfolding panorama of life.
A New History of Life tells this all-embracing story of life on Earth-its origins, extinctions, and evolutions-in 36 lavishly illustrated lectures that assume no background in science. At half an hour per lecture, you cover the entire 4.54-billion-year history of Earth in 18 hours, averaging 70,000 years per second! Professor Stuart Sutherland of The University of British Columbia gives a gripping account, showing why he is an award-winning and nationally recognized teacher.
Cycles of Ruin and Renewal

Professor Sutherland notes that if the story of Earth is compared to the height of the Washington Monument, then all of human history is the thickness of a sheet of paper balanced at the top. He devotes most of A New History of Life to the incredible happenings beneath that piece of paper. The events before humans arrived on the scene include stirring episodes such as these:
Snowball Earth: More than half a billion years ago, Earth apparently plunged into a frozen state, with the world almost completely iced over. According to some theories, this snowball phase should have been permanent and life eventually extinguished. But something saved the planet.
Cambrian explosion: Before the start of the Cambrian period, life was mostly unicellular. Then complexity soared in an explosion of genetic diversification. The major new phyla and weird evolutionary dead-ends are recorded in the fossils of the renowned Burgess Shale in British Columbia.
Age of giant insects: During Earth's coal-forming phase in the Carboniferous period, dragonflies had 30-inch wingspans and cockroaches reached 20 inches in length. What caused the big bugs? The storage of atmospheric carbon in what became coal deposits may have played a crucial role.
Cretaceous-Paleogene extinction: The dinosaurs and more than half of all other species were doomed after a six-mile-wide asteroid struck Earth 65.5 million years ago. The initial blast, shock wave, flying debris, fires, and tsunami were just the beginning, as the biosphere went into a cascade of failures.
By the time you reach the origin of humans in Lecture 35, you will appreciate our species in the widest possible context. The rapid burst of evolution in the Cambrian explosion, half a billion years ago, produced innovations that we share with other creatures, such as eyes, teeth, and skeletons. The first vertebrates-animals organized on a central backbone like ours-appeared tens of millions of years later, and the first humans only comparatively recently. With our distinctive bipedal posture, consciousness, and language ability, it may seem that our evolution represents a triumph over other complex vertebrates. But you may be surprised by our probable descent from hard-pressed primates driven into increasingly marginal ecological niches.
A Story Full of Surprises ...
A New History of Life gives you the conceptual tools to follow the ever-shifting Description in the story of life on Earth. You cover in detail the following fundamental ideas and much more:
Fossils: Fossils are the petrified remains and traces of former living things. Without them, we would be clueless about the immense variety of life in the past. Fortunately, fossils are abundant-from single-celled organisms to animals weighing many tons. However, their record is biased toward creatures with hard parts.
Stratigraphy: Major episodes in Earth's history are visible in the layers, or strata, of sedimentary and volcanic rock laid down through time. In the early 19th century, geologist William Smith established the basis for reading sequences of rock strata. Biostratigraphy is the use of distinctive fossils to date rock formations.
Cladistics: One of the recent revolutions in paleontology is cladistics, a rigorous approach to drawing the tree of life. By focusing on the shared characteristics between organisms, scientists can more accurately determine who is related to whom, and where the branching points were in the evolution of different species.
Plate tectonics: Earth's ceaselessly moving crustal plates play a crucial role in the character of the biosphere. During periods when the continents are widely dispersed, such as today, biodiversity is high. Intervals when the continents collect into a supercontinent see a massive drop in global biodiversity.
... and Bold and Exciting Theories
Since its beginnings, paleontology has been renowned for bold theories, exciting analysis, and sweeping revisions of old ideas. In A New History of Life, you experience the thrill of scientists searching for answers to questions such as these:
Why does the Earth have continents? A feature of the biosphere that we take for granted is not easily explained. Probe the tectonic forces that first produced islands and then cobbled them together into continents.
What causes periodic mass extinctions? Mass extinctions appear to occur about every 26 million years. Scientists speculate that comet swarms, the rotation of the galaxy, or some other extraterrestrial effect is the cause.
How did animals move from water to land? The search for the missing link between aquatic and land-dwelling animals recently turned up a lobe-finned fossil fish called Tiktaalik, which has many of the features of a four-footed animal.
What are the oldest fossils? Fossils of blue-green algae colonies 3.5 billion years old have been found in Australia. Some researchers believe that a meteorite from Mars may also contain ancient bacteria-like microfossils.
An intriguing feature of this course is that it ventures into forgotten and often neglected areas of paleontology. One of these branches is microfossils, a wondrous realm that happens to be Professor Sutherland's specialty. Another is invertebrates, which represent more than 90% of all creatures, past and present.
Illustrated by thousands of illuminating, entertaining, and often otherworldly images, A New History of Life is a visual feast, with pictures reinforcing every milestone in the 4.54-billion-year journey from a nascent planet to now. Professor Sutherland notes that he was first drawn to paleontology because, of all the sciences, it is the most narrative. The rock strata with their fossils really are like the pages of a book, he says, "holding the secret to ancient Earths long since vanished."
Lectures
1 The Interconnected Earth
2 The Vast Depths of Earth Time
3 Fossil Clocks
4 Paleontologists as Detectives
5 The Shifting Surface of Planet Earth
6 Earliest Origins-Formation of the Planet
7 Origins of Land, Ocean, and Air
8 The Early Chemical Evolution of Life
9 Hints of the First Life Forms
10 How Life Transformed the Early Earth
11 Snowball Earth-Another Crisis
12 Metazoans-Life Grows Up
13 Incredible Variety-The Cambrian Explosion
14 Window to a Lost World-The Burgess Shale
15 The Forgotten Fossils in Earth's Story
16 Introduction to the Great Mass Extinctions
17 The Collapse of Earth's First Eden
18 Making the Break for Land
19 Getting a Backbone-The Story of Vertebrates
20 The Evolution of Jaws
21 These Limbs Were Made for Walking?
22 Tiktaalik-The Search for a Fishapod
23 Carboniferous Giants and Coal
24 Amniotes-The Shape of Things to Come
25 Permian Extinction-Life's Worst Catastrophe
26 Finding the Killer-The Greenhouse Earth
27 The Dinosaurs Take Over
28 Letting the Dinosaurs Speak-Paleobehavior
29 Conquering the Air-The Evolution of Flight
30 Monsters of the Deep-Mesozoic Oceans
31 The Cretaceous Earth-A Tropical Planet
32 The Sky Is Falling-End of the Dinosaurs
33 The Collision of North and South America
34 The Rise of Mammals and the Last Ice Age
35 The Humble Origins of Human Beings
36 The Conscious Earth

TTC Video - A New History of Life (2017)

TTC Video - A New History of Life (2017)

TTC Video - A New History of Life (2017)

TTC Video - A New History of Life (2017)




Download link :
(If you need these, buy and download immediately before they are delete)

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TTC Video - A New History of Life (2017)
TTC Video - A New History of Life
Course No. 1520 | English | MP4 | 570 x 320 | AVC ~1094 kbps | 29.970 fps
AAC | 91.5 kbps | 48.0 KHz | 2 channels | 17:43:10 | 8.7 GB
Genre: eLearning Video / Science, Earth History, Paleontology
Life is stranger than fiction. Recent investigations hint at episodes in the history of life on Earth that rival the most imaginative movies. For example: Could our planet have been seeded with life from elsewhere? Did the development of life create conditions that threatened to poison the biosphere? How have natural forces conspired, over and over, to remove most traces of life from the planet? And how has life itself responded with determination to survive and thrive in a multitude of astonishing forms?

Life is stranger than fiction. Recent investigations hint at episodes in the history of life on Earth that rival the most imaginative movies. For example: Could our planet have been seeded with life from elsewhere? Did the development of life create conditions that threatened to poison the biosphere? How have natural forces conspired, over and over, to remove most traces of life from the planet? And how has life itself responded with determination to survive and thrive in a multitude of astonishing forms?
The story of our world and the different living things that have populated it is an amazing epic with millions of species both familiar and strange, exotic settings, planet-wide cataclysms, and surprising Description twists. Humans are only the latest characters in this long-running drama, which has always been utterly unpredictable, since periodic mass extinctions are inevitably followed by life rebounding in unexpected ways. Indeed, life and the planet have developed together, each driving the evolution of the other.
Equally intriguing are the details of how scientists know what they do about the past. It is a detective story as riveting as any forensic thriller, with paleontologists and geologists taking the most unassuming pieces of evidence-a bit of fossil bone, a sequence of layers in rock, a geochemical test-and reading a rich narrative of past events. And by drawing on tools from other disciplines, such as biology, meteorology, and astrophysics, the scenes they describe can be truly monumental in scope, encompassing the entire Earth and even phenomena beyond the planet.
This multidisciplinary effort to understand Earth as a whole, as a system composed of many interacting parts, is called Earth system science, and it has given us an unprecedented understanding of the planet and the unfolding panorama of life.
A New History of Life tells this all-embracing story of life on Earth-its origins, extinctions, and evolutions-in 36 lavishly illustrated lectures that assume no background in science. At half an hour per lecture, you cover the entire 4.54-billion-year history of Earth in 18 hours, averaging 70,000 years per second! Professor Stuart Sutherland of The University of British Columbia gives a gripping account, showing why he is an award-winning and nationally recognized teacher.
Cycles of Ruin and Renewal

Professor Sutherland notes that if the story of Earth is compared to the height of the Washington Monument, then all of human history is the thickness of a sheet of paper balanced at the top. He devotes most of A New History of Life to the incredible happenings beneath that piece of paper. The events before humans arrived on the scene include stirring episodes such as these:
Snowball Earth: More than half a billion years ago, Earth apparently plunged into a frozen state, with the world almost completely iced over. According to some theories, this snowball phase should have been permanent and life eventually extinguished. But something saved the planet.
Cambrian explosion: Before the start of the Cambrian period, life was mostly unicellular. Then complexity soared in an explosion of genetic diversification. The major new phyla and weird evolutionary dead-ends are recorded in the fossils of the renowned Burgess Shale in British Columbia.
Age of giant insects: During Earth's coal-forming phase in the Carboniferous period, dragonflies had 30-inch wingspans and cockroaches reached 20 inches in length. What caused the big bugs? The storage of atmospheric carbon in what became coal deposits may have played a crucial role.
Cretaceous-Paleogene extinction: The dinosaurs and more than half of all other species were doomed after a six-mile-wide asteroid struck Earth 65.5 million years ago. The initial blast, shock wave, flying debris, fires, and tsunami were just the beginning, as the biosphere went into a cascade of failures.
By the time you reach the origin of humans in Lecture 35, you will appreciate our species in the widest possible context. The rapid burst of evolution in the Cambrian explosion, half a billion years ago, produced innovations that we share with other creatures, such as eyes, teeth, and skeletons. The first vertebrates-animals organized on a central backbone like ours-appeared tens of millions of years later, and the first humans only comparatively recently. With our distinctive bipedal posture, consciousness, and language ability, it may seem that our evolution represents a triumph over other complex vertebrates. But you may be surprised by our probable descent from hard-pressed primates driven into increasingly marginal ecological niches.
A Story Full of Surprises ...
A New History of Life gives you the conceptual tools to follow the ever-shifting Description in the story of life on Earth. You cover in detail the following fundamental ideas and much more:
Fossils: Fossils are the petrified remains and traces of former living things. Without them, we would be clueless about the immense variety of life in the past. Fortunately, fossils are abundant-from single-celled organisms to animals weighing many tons. However, their record is biased toward creatures with hard parts.
Stratigraphy: Major episodes in Earth's history are visible in the layers, or strata, of sedimentary and volcanic rock laid down through time. In the early 19th century, geologist William Smith established the basis for reading sequences of rock strata. Biostratigraphy is the use of distinctive fossils to date rock formations.
Cladistics: One of the recent revolutions in paleontology is cladistics, a rigorous approach to drawing the tree of life. By focusing on the shared characteristics between organisms, scientists can more accurately determine who is related to whom, and where the branching points were in the evolution of different species.
Plate tectonics: Earth's ceaselessly moving crustal plates play a crucial role in the character of the biosphere. During periods when the continents are widely dispersed, such as today, biodiversity is high. Intervals when the continents collect into a supercontinent see a massive drop in global biodiversity.
... and Bold and Exciting Theories
Since its beginnings, paleontology has been renowned for bold theories, exciting analysis, and sweeping revisions of old ideas. In A New History of Life, you experience the thrill of scientists searching for answers to questions such as these:
Why does the Earth have continents? A feature of the biosphere that we take for granted is not easily explained. Probe the tectonic forces that first produced islands and then cobbled them together into continents.
What causes periodic mass extinctions? Mass extinctions appear to occur about every 26 million years. Scientists speculate that comet swarms, the rotation of the galaxy, or some other extraterrestrial effect is the cause.
How did animals move from water to land? The search for the missing link between aquatic and land-dwelling animals recently turned up a lobe-finned fossil fish called Tiktaalik, which has many of the features of a four-footed animal.
What are the oldest fossils? Fossils of blue-green algae colonies 3.5 billion years old have been found in Australia. Some researchers believe that a meteorite from Mars may also contain ancient bacteria-like microfossils.
An intriguing feature of this course is that it ventures into forgotten and often neglected areas of paleontology. One of these branches is microfossils, a wondrous realm that happens to be Professor Sutherland's specialty. Another is invertebrates, which represent more than 90% of all creatures, past and present.
Illustrated by thousands of illuminating, entertaining, and often otherworldly images, A New History of Life is a visual feast, with pictures reinforcing every milestone in the 4.54-billion-year journey from a nascent planet to now. Professor Sutherland notes that he was first drawn to paleontology because, of all the sciences, it is the most narrative. The rock strata with their fossils really are like the pages of a book, he says, "holding the secret to ancient Earths long since vanished."
Lectures
1 The Interconnected Earth
2 The Vast Depths of Earth Time
3 Fossil Clocks
4 Paleontologists as Detectives
5 The Shifting Surface of Planet Earth
6 Earliest Origins-Formation of the Planet
7 Origins of Land, Ocean, and Air
8 The Early Chemical Evolution of Life
9 Hints of the First Life Forms
10 How Life Transformed the Early Earth
11 Snowball Earth-Another Crisis
12 Metazoans-Life Grows Up
13 Incredible Variety-The Cambrian Explosion
14 Window to a Lost World-The Burgess Shale
15 The Forgotten Fossils in Earth's Story
16 Introduction to the Great Mass Extinctions
17 The Collapse of Earth's First Eden
18 Making the Break for Land
19 Getting a Backbone-The Story of Vertebrates
20 The Evolution of Jaws
21 These Limbs Were Made for Walking?
22 Tiktaalik-The Search for a Fishapod
23 Carboniferous Giants and Coal
24 Amniotes-The Shape of Things to Come
25 Permian Extinction-Life's Worst Catastrophe
26 Finding the Killer-The Greenhouse Earth
27 The Dinosaurs Take Over
28 Letting the Dinosaurs Speak-Paleobehavior
29 Conquering the Air-The Evolution of Flight
30 Monsters of the Deep-Mesozoic Oceans
31 The Cretaceous Earth-A Tropical Planet
32 The Sky Is Falling-End of the Dinosaurs
33 The Collision of North and South America
34 The Rise of Mammals and the Last Ice Age
35 The Humble Origins of Human Beings
36 The Conscious Earth

TTC Video - A New History of Life (2017)

TTC Video - A New History of Life (2017)

TTC Video - A New History of Life (2017)

TTC Video - A New History of Life (2017)




Download link :
(If you need these, buy and download immediately before they are delete)
Uploadgig.com :
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