Feds say Yellowstone cleanup will take more people

(AP) -- Exxon Mobil Corp. will have to bring in more people to mop up oil from a broken pipeline beneath the Yellowstone River as receding floodwaters reveal new contamination, federal officials said Friday.

NASA catches 3 tropical cyclones at 1 time

It's not often that a satellite can capture an image of more than one tropical cyclone, but the GOES-13 satellite managed to get 3 tropical cyclones in two ocean basins in one image today. Bret and his "sister" Cindy are ...

Cellular stress can induce yeast to promote prion formation

It's a chicken and egg question. Where do the infectious protein particles called prions come from? Essentially clumps of misfolded proteins, prions cause neurodegenerative disorders, such as mad cow/Creutzfeld-Jakob disease, ...

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