DNA as invisible ink can reversibly hide patterns

(PhysOrg.com) -- While most people know of DNA as the building blocks of life, these large molecules also have potential applications in areas such as biosensing, nanoparticle assembly, and building supramolecular structures. ...

Endeavour crater provides possible evidence of past water

(PhysOrg.com) -- The Mars rover Opportunity is a senior citizen, but still spry, and as it peers over the rim of the giant impact crater called Endeavour, it's embarking on what could be called a new mission, say its NASA ...

New 'nano-drug' hits brain-tumor target found in 2001

Nine years ago, scientists at Cedars-Sinai's Maxine Dunitz Neurosurgical Institute detected a subtle shift occurring in the molecular makeup of the most aggressive type of brain tumors, glioblastoma multiforme. With further ...

Study to reveal link between climate and early human evolution

Olduvai Gorge is a steep-sided ravine on the edge of the Serengeti Plain, East Africa, and is home to some of the world's most important fossil hominins. Geologists are investigating the chemical composition of carbonate ...

UA-Operated Stereo Camera Selected for Mars Mission

(PhysOrg.com) -- The UA's High Resolution Stereo Color Imager was selected as one of five instruments for the first joint mission to Mars by NASA and the European Space Agency. HiSCI is designed to uncover interactions ...

Instruments selected for Mars

ESA and NASA have selected the scientific instruments for their first joint Mars mission. Scheduled for 2016, it will study the chemical makeup of the martian atmosphere, including methane. Discovered in 2003, methane could ...

Superhot Planet Likely Possesses Comet-like Tail

(PhysOrg.com) -- As if the debate over what is and what is not a planet hasn't gotten confusing enough, Hubble Space Telescope astronomers have now confirmed the existence of a tortured, baked object that could be called ...

Biochemists take a bead on gene-controlling code

(PhysOrg.com) -- DNA may provide the blueprint for life, but scientists are learning more about the role of a chemical code that governs the way that blueprint is read.

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