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Chemistry2890 articles archived since 1845

Glucose Test Swaps Tears for Blood

Tears have much lower glucose levels than blood but, as the ratio is consistent, they could serve for diabetes glucose monitoring. Sophie Bushwick reports

November 19, 2011

Exploring the Red Planet

As NASA prepares to launch its new Curiosity Mars rover, we look back at some of the highlights--and the misfires--in more than 50 years of Mars missions

November 3, 2011

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