06/12/2012

Physicists extend entanglement in Einstein experiment

(Phys.org)—Using a photon fission process, physicists have split a single photon into a pair of daughter photons and then split one of the daughter photons into a pair of granddaughters to create a total of three photons. ...

Hubble sees a galaxy hit a bullseye

(Phys.org)—Bright pink nebulae almost completely encircle a spiral galaxy in this NASA/ESA Hubble Space Telescope image of NGC 922. The ring structure and the galaxy's distorted spiral shape result from a smaller galaxy ...

Australia's critically endangered animal species

Australia has 96 critically endangered animal species, listed below. Over the coming months, we will be publishing a profile of each of them, looking at the threats to their survival, what's being done to protect them, and ...

Poor countries demand action at UN climate talks (Update)

(AP)—As disputes intensify at the already-bogged down United Nations climate negotiations, the Philippines on Thursday called for urgent action to halt global warming, citing its own experience with a deadly typhoon as ...

Big nations block curbs on tuna overfishing

Efforts to curb overfishing of tuna in the Pacific were blocked by big countries that refused to cut their catch at a meeting of tuna-fishing nations in the Asia-Pacific, delegates said Thursday.

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