UN chief to open ministers level at climate talks

(AP) -- An international treaty on climate change won't be enough to avert a dangerous rise in global temperatures, and countries need to voluntarily make deeper cuts in carbon emissions, the head of the U.N. Environment ...

Helping businesses defend against cyber threats

Analysts with the National Security Agency see the threats coming at corporate America: viruses, worms and other malware targeting the computer networks that serve the nation's banks, utilities and businesses.

Tropical sea temperatures influence melting in Antarctica

Accelerated melting of two fast-moving outlet glaciers that drain Antarctic ice into the Amundsen Sea Embayment is likely the result, in part, of an increase in sea-surface temperatures in the tropical Pacific Ocean, according ...

Still in the dark about dark matter

Dark matter, the mysterious stuff thought to make up about 80 percent of matter in the universe, has become even more inscrutable.

It's elemental: Paper celebrates discovery of iodine

(PhysOrg.com) -- It's not every day that an element gets to celebrate a bicentennial, and a University of Delaware professor is pleased to have been invited to the "birthday party" for iodine, which was discovered in 1811.

Worms can evolve to survive intersex populations

(PhysOrg.com) -- Sexually reproducing species need at least two sexes in order to produce offspring, but there are many ways that nature produces different sexes. Many animals (including humans and other mammals) use a chromosomal ...

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