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Description
Who are we? Where do we come from? These are two of the biggest questions facing scientists today. This collection of short programs gives a broad understanding of the multi-branched theory of human evolution, the major geological eras in earth's history and the various scientific methods used for fossil dating. A great resource for viewers seeking a scientific understanding of how Earth and its life forms evolved.
Description
Australia was once part of a super-continent and its deserts were covered in forests. Once joined to Antarctica, it split off and moved northwards into warmer climes, whilst Antarctica became an icy wasteland. Australia's move forced life forms to adapt, evidenced in some of its endemic wildlife. A BBC/Science Channel co-production.
Description
Allan Wilson, a groundbreaking researcher and a lightning rod for controversy, revolutionized science and galvanized the scientific community through his quantitative biochemical approach to the history of evolution. Drawing upon the insights and recollections of those who knew Wilson best, this program-narrated by paleoanthropologist Tim White, codiscoverer of the hominid "Lucy"--Correlates milestones of his remarkable career with his enduring contributions...
Description
Reconstructing a dinosaur skeleton for a museum is a balance of art and science - enough science to keep the experts happy, enough artistic license to excite the visitors. But as it turns out, diplomacy is part of the balance as well. In this program, bioarchaeologist Alice Roberts goes to the Natural History Museum of Los Angeles County to follow the creation of its 2011 dinosaur exhibit, from the raw bones to the final colossal models.
Description
Forty years ago, on May 18, 1980, Mount St. Helens erupted violently. It was the most deadly and devastating eruption in U.S. history. Combining eyewitness accounts with rarely seen images, this show reveals the unfolding apocalypse -- from the first moments of the volcanic blast to the 12-mile-high ash plume and the lethal mudflows that raged down the mountain.
Description
In program one we looked at how the natural features of the Murray-Darling Basin have shaped farming and water management practices, and how in turn those practices have changed the rivers and the land. In this second part of the series, we look at how over-allocation of water resources, climate change, salinity and other problems are threatening the long-term productivity and sustainability of the region.
Description
NOVA's expert team looks for the signature of a volcanic eruption big enough to have blasted a huge cloud of ash and sulfuric acid into the atmosphere. Killer Volcanoes spotlights the search for the mystery volcano that plunged the globe into a deep freeze and inflicted famine on medieval Europe.
Description
Four and a half billion years ago, how did life emerge on Earth? Robert Hazen advances a startling idea--that the rocks on Earth were not only essential to jump-starting life, but then, as microbes flourished and took over the biosphere, life helped give birth to hundreds of minerals we rely upon today. NOVA reveals how the story of life on Earth is fundamentally interwoven with the epic, unfolding story of Earth itself.
10) Restless Earth
Description
Wait a sec. Earth is hot on the inside? The continents move? And some German guy named Alfred Wegener noticed that Africa and South America fit together like puzzle pieces? That sounds like a magma-filled layer cake of mystery. Care to dig in? Topics include: Earth's Interior Layers, Plate Tectonics, and Evidence of Plate Tectonics.
11) The Challenger
Description
Trees once dominated the planet, but grasses eventually challenged their supremacy to become Earth's main form of plant life. In this program, Iain Stewart explains how it happened, and the impact the change had on mammalian evolution. Describing the link between sharp grass blades and the creation of an oxygen-rich atmosphere, Stewart takes viewers on a journey of discovery that includes a look at the Fongoli chimps, who adopt a human-like stance...
Description
Over the many billions of years of the Earth's history our planet has never stopped changing shape. Massive tectonic forces have sculpted and re-sculpted our world in a never ending journey. Tectonics has created life - and destroyed it as well. Three tectonic collisions created Europe and continue to alter the continent's landscape. In this episode, we examine changes in Iceland and the Mediterranean Sea.
13) Dino Autopsy
Description
Nearly everything we know of dinosaurs comes from bones and teeth-usually the only body parts durable enough to fossilize. This program highlights the scientific rewards resulting from a 1999 discovery of a virtually intact dinosaur mummy. Viewers will learn about the conditions that preserved the 67-million-year-old hadrosaur specimen as well as exciting details of what the creature looked like, how it moved, and more. The paleontologists involved...
Description
Over the many billions of years of the Earth's history our planet has never stopped changing shape. Massive tectonic forces have sculpted and re-sculpted our world in a never ending journey. Tectonics has created life - and destroyed it as well. In this episode, we explore Europe's geological history. Discover ancient fossils, petrified forest and go diamond hunting in the depths of the earth.
Description
Much of our understanding of climate change and the precarious state of the Earth's polar ice is due to the work of French glaciologist Claude Lorius. This program documents several of his missions to Antarctica and his primary innovation: heavy-hydrogen analysis of drilled ice core samples. Detailed interviews with Lorius and with several of his colleagues are interwoven with astonishing, rarely seen archival footage-steeping viewers in the lore...
Description
Curiosity is often the driving force behind great discoveries. In this program, Friedemann Schrenk teams up with Meave Leakey to examine fossil specimens recovered at Lake Turkana, Lothagam, and Kanapoi, where they discuss the relationships between Australopithicus afarensis, A. boisei, and Homo habilis. Dr. Schrenk also visits the Nairobi Museum, the Anatomical Institute in Dar es Salaam, and Ngorongoro National Park. In addition, a meeting at Witwatersrand...
Description
Over the many billions of years of the Earth's history our planet has never stopped changing shape. Massive tectonic forces have sculpted and re-sculpted our world in a never ending journey. Tectonics has created life - and destroyed it as well. This program discusses the tectonic history of Asia, mass extinctions, the Himalayas and the creation of a country from its sediment.
Description
The collision zone of the massive Indian and Asian tectonic plates is one of the most seismically active places on Earth. These plates trace an arc beneath the Himalaya Mountains and run south below the Ganges-Brahmaputra Delta, an area that is inhibited by billions of people. This program follows earth scientists working in seven countries who are urgently investigating this high-risk zone.
Description
What did flowering plants have to do with the evolution of primates and other mammals? In this program, geologist Iain Stewart travels to New Caledonia to discuss what made the first blooms so revolutionary, why they were able to thrive on the new continents birthed from Pangaea, and how the development of special traits helped flowers to recolonize Earth after a disastrous asteroid impact. In addition, an ultraviolet-spectrum camera reveals flowers...
Description
Over the many billions of years of the Earth's history our planet has never stopped changing shape. Massive tectonic forces have sculpted and re-sculpted our world in a never ending journey. Tectonics has created life - and destroyed it as well. This episode chronicles the Himalayas, investigates how Siberia joined other land masses, and discusses tectonic activity that impacts Japan and Indonesia.
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