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april 2009

Earth: The movie (not the magazine)

Blogging on EARTH (the magazine)

Earth Day is over. But you don’t have to wait until next year to celebrate the planet. Disney’s new movie “Earth,” which opened Apr. 22, offers some spectacular views of the planet and its inhabitants.

23 Apr 2009

Seal missing link found in the Arctic

A newly discovered web-footed mammal may be a “missing link” between land-based and marine pinnipeds, a group that includes seals, walruses and sea lions. The find, occurring on the 150th anniversary of Charles Darwin’s "On the Origin of Species," may shed new light on the land-to-sea animal evolutionary theory.

24 Apr 2009

Benchmarks: Nuclear explosion at Chernobyl

April 26, 1986

A rusting Ferris wheel dominates the skyline of Prypiat, Ukraine’s ghost town. A few kilometers away, within a massive concrete structure called the Sarcophagus, are the remnants of the worst nuclear disaster in history: the ruins of the Chernobyl Nuclear Power Plant’s reactor number four — and about 200 tons of highly radioactive material.

24 Apr 2009

Travels in Geology: Exploring Lake Baikal, the Sacred Sea

Deepest. Oldest. Most biologically diverse. Siberia’s superlative-laden Lake Baikal is one of the planet’s great geological treasures. Located 4,200 kilometers east of Moscow and 2,100 kilometers west of Vladivostok, the lake known locally as the Sacred Sea is like no other.

28 Apr 2009

Mining for iron oxides in coal mine sludge

The billions of tons of coal that miners extracted from Pennsylvania’s ground over the past two centuries have long gone up in smoke, but their legacy lives on in the state’s rivers and waterways. Nasty discharge — often with sky-high metal concentrations — from thousands of abandoned coal mines has been polluting Pennsylvania’s streams and groundwater.

30 Apr 2009

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