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Arctic study reveals warmest summers for 44,000 years due to greenhouse gases

thumbnail image: Arctic study reveals warmest summers for 44000 years due to greenhouse gases

A recent study of the ages of exposed mosses on Baffin Island in the Arctic has shown that the last century was warmer than any preceding century over the last 44,000 years, primarily as a result of greenhouse gases.

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NASA's Opportunity and Curiosity rovers agree on water

thumbnail image: NASAs Opportunity and Curiosity rovers agree on water

The Curiosity and Opportunity rovers on Mars have both found evidence that water was once on the surface of the planet. This is one of the observations in a series of papers published in a special collection in Science.

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Accurate urinary bladder cancer diagnosis by automated FTIR

thumbnail image: Accurate urinary bladder cancer diagnosis by automated FTIR

A novel FTIR spectroscopic test for urinary bladder cancer developed by scientists in Germany has been improved to give a more accurate diagnosis, distinguishing patients from those with urinary tract infections.

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Abundant molecular chlorine found in the Arctic atmosphere

thumbnail image: Abundant molecular chlorine found in the Arctic atmosphere

An international team of scientists has found unprecedented levels of molecular chlorine in the Arctic atmosphere, originating from snow-covered land or surface ice, with huge implications for atmospheric chemistry.

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Curiosity rover is spotted by the HiRISE Mars orbiter

thumbnail image: Curiosity rover is spotted by the HiRISE Mars orbiter

NASA has released images of the Curiosity rover on the surface of Mars that were taken from the HiRISE Mars Reconnaissance Orbiter last December.

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Bad metals in biodiesel

thumbnail image: Bad metals in biodiesel

Four metals which are no good for biodiesel can be measured simultaneously by a novel atomic emission spectroscopic technique using a tungsten coil.

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How to set up your DESI source for tissue imaging

thumbnail image: How to set up your DESI source for tissue imaging

Wondering how to set up your DESI ion source for tissue imaging? Then wonder no longer as scientists publish a guide including several tips and tricks.

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What connects Richard III and a woolly mammoth?

thumbnail image: What connects Richard III and a woolly mammoth

An updated radiocarbon calibration curve will allow researchers in different fields to determine more accurate dates for old objects.

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Brain surgery decision making guided by mass spectrometry

thumbnail image: Brain surgery decision making guided by mass spectrometry

The relevance of mass spectrometry to decision making during brain surgery is discussed by scientists in the US who show that it can distinguish between necrotic tissue and viable regions of brain tumours, which will help to guide tumour resection.

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WADA increases doping ban

thumbnail image: WADA increases doping ban

WADA will increase the maximum ban for drug cheats to four years beginning in 2015, in time for the Rio Olympics.

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