Scientists enlist baker's yeast in a hunt for new medicines

One of the hardest parts in drug discovery is pinning down how a medicine actually works in the body. It took nearly 100 years to uncover the molecular target of aspirin, but even with cutting-edge technology, it can take ...

Iran cell phone firms deny blocking text messages

(AP) -- Iran's mobile phone companies have denied blocking text messages with the words dollar and currency after the Iranian rial rapidly weakened on the announcement of new U.S. sanctions against Iran.

Researchers piece together how proteins fold

(Phys.org) -- A new method for looking at how proteins fold inside mammal cells could one day lead to better flu vaccines, among other practical applications, say Cornell researchers.

Mitochondrial cooperatives

Mitochondria, the organelles that supply the cell with energy, are highly dynamic and can link up to form complex tubular networks. A new study shows that this response can transiently compensate for a shortfall in energy ...

Second plant pathway could improve nutrition, biofuel production

Purdue University scientists have defined a hidden second option plants have for making an essential amino acid that could be the first step in boosting plants' nutritional value and improving biofuel production potential.

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