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Bitcoin calls itself the new money and says it can be minted and exchanged on the Internet, faster and cheaper than a bank.

It's gotten a lot of attention but how anonymous is it? Not very, if you have computers and about $1,500.

Several groups worldwide have shown that it is possible to find out which transactions belong together, even if the client uses different pseudonyms but it has only recently become clear that it is also possible to reveal the IP address behind each transaction. 

Results presented at the European Organisation for Research and Treatment of Cancer Symposium in Barcelona show "extremely promising" early phase 1 clinical trial results for the investigational drug AG-120 against the subset of patients with acute myeloid leukemia (AML) harboring mutations in the gene IDH1.

The finding builds on phase 1 results of a related drug, AG-221, against IDH2 mutations, presented at the most recent meeting of the American Association for Cancer Research. Results at this stage are preliminary, based on 17 patients.

The IDH1 mutation is found in 15-20 percent of all cases of AML, totaling about 3,500 cases of IDH1 AML per year.

Researchers using a new chemical process have converted the cellulose in sawdust into hydrocarbon chains, building blocks for gasoline.

 Cellulose is the main substance in plant matter and is present in all non-edible plant parts of wood, straw, grass, cotton and old paper.  These hydrocarbons can be used as an additive in gasoline or as a component in plastics. 

"At the molecular level, cellulose contains strong carbon chains. We sought to conserve these chains, but drop the oxygen bonded to them, which is undesirable in high-grade gasoline. Our researcher Beau Op de Beeck developed a new method to derive these hydrocarbon chains from cellulose," explains Professor Bert Sels. 

Epidemiologists have linked El Niño, a recurring pattern where every 2-7 years warm waters in the Equatorial Pacific change the weather, to short stature, also known as stunting,  which is usually due to chronic malnutrition.

The authors found that children born in coastal Peru during and after the 1997-98 El Niño, the last strong one, have a lower height-for-age than others born before the event. 

El Niño
has also been linked to epidemics of malaria, dengue fever, cholera and diarrhea, though the first recorded one was in 1525, so they have been happening a lot longer than that.. 

How can the weather stunt growth?