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Paleoanthropology is a discipline known as much for its feuds as for its findings. Among the best known of these clashes is a longstanding one between two of the field's most famous scientists, Donald Johanson and Richard Leakey

By Jeff Tollefson of Nature magazine Given the current political climate, it did not come as much of a surprise when the chief executive of one of the largest utility companies in the United States addressed the tenth annual Conference on Carbon Capture and Sequestration (CCS) in Pittsburgh, Pennsylvania, this week with a talk questioning the viability of carbon-storage ventures in the next few years. Michael Morris, chief executive of American Electric Power (AEP), headquartered in Columbus, Ohio, said that the energy industry needs a signal from politicians in Washington DC.

* Rainiest April on record hits coffee trees * Damage to roads will complicate exports [More]

Some things are best done after dark. Setting off fireworks. Telling scary stories

On top of the usual "spills in aisle five," grocery stores have another mess they're hoping to clean up: greenhouse gas leaks. U.S. EPA announced yesterday that its partnership to cut greenhouse gas emissions from grocery stores has reached 50 states.

* Workers check radiation, connect pipes to ventilators * Teams hope to achieve "cold shutdown" of reactor [More]

Many people already use their smart

A friend of mine has long held that a vaccination his son received as an infant triggered his child’s autism. He clings to this belief despite a string of scientific studies that show no link between autism and vaccines. When the original paper on such a link was recently discredited as a fraud, my friend’s reaction was that it will now be more difficult to persuade people of the dangers of vaccination.

Key concepts Energy [More]

Gridlocked bridges over the Fraser River are just a part of life for commuting Vancouverites. But the industrialized motif of North America's longest dam-free river belies a rare natural treasure: a sockeye salmon run with a historical average of eight million fish worth over $1 billion.

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In an abbreviated, terse press conference on Wednesday, Secretary of the Interior Ken Salazar announced that the U.S. Fish and Wildlife Service (FWS) will propose removing gray wolves ( Canis lupus ) from the endangered species list in the northern Rockies and the western Great Lakes. [More]

A few years ago, I worked as a Writing Department Intern for C.S.I.

By Lucas Laursen of Nature magazine Nuclear accidents can have devastating consequences for the people and animals living in the vicinity of the damaged power plants, but they also give researchers a unique opportunity to study the effects of radiation on populations that would be impossible to recreate in the lab. Tim Mousseau, who directs the Chernobyl Research Initiative at the University of South Carolina in Columbia, together with an international team, is studying the long-term ecological and health consequences of the 1986 accident at the Chernobyl nuclear power plant in the Ukraine. [More]

The humble vibrato of summer will crescendo a bit earlier this year in the U.S.