Posts Tagged ‘centenntial’
Centennial E5 – When the Sahara was Green
In this centennial episode, she reveals the secrets of the mud, how humans may have weathered climate swings of the past, and what the past can tell us about our warming world.
Read MoreCentennial E4 – Toxic City Under the Ice
In 1959, the United States built an unusual military base under the surface of the Greenland ice Sheet. Camp Century was a hub for scientific research, but it also doubled as a top-secret site for testing the feasibility of deploying nuclear missiles from the Arctic. When Camp Century was decommissioned in 1967, its infrastructure and waste were abandoned under the assumption they would be forever entombed beneath the colossal sheet of ice.
Read MoreCentennial E3 – Rifts Beneath the Ocean Floor
Kathy Crane is a true adventurer. As one of the first women in the field of marine geophysics in the 1970s, she hypothesized and then helped discover the existence of hydrothermal vents on the Galápagos Rift along the East Pacific Rise in the mid-1970s and was one the first people to see many of the strange creatures that make their home in this improbable environment.
Read MoreCentennial E2 – Uncovering the Ozone Hole
In the mid-1980s, scientists uncovered a troubling phenomenon: The ozone layer, which protects all living things on Earth from the Sun’s ultraviolet radiation, was rapidly thinning over Antarctica.
Read MoreCentennial E1 – How the Cold War advanced atmospheric science
Tensions escalated between the United States and Soviet Union in the wake of World War II as the two countries stockpiled nuclear weapons and detonated hundreds of test bombs in the atmosphere. But this arms race had an unexpected side effect: scientists learned for the first time how air behaves in Earth’s upper atmosphere and how pollution, volcanic ash, and radioactive fallout travel around the globe.
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