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Researchers create new 'smart' nanocapsule delivery system for use in protein therapy

Nanotechnology / Bio & Medicine

Dec 18, 2009 | 5 / 5 (2) | 1

the delivery of healthy proteins directly into human cells to replace malfunctioning proteins — is considered one of the most direct and safe approaches for treating diseases. But its effectiveness has been limited by low ...

Heme channel found

Biology / Cell & Microbiology

Dec 17, 2009 | not rated yet | 0

In some ways a cell in your body or an organelle in that cell is like an ancient walled town. Life inside either depends critically on the intelligence of the gatekeepers.

New Study of Meteorite Provides More Evidence for Ancient Life on Mars

Space & Earth / Space Exploration

Dec 17, 2009 | 4.9 / 5 (41) | 17

(PhysOrg.com) -- In 1996, when scientists examined a meteorite from Mars previously uncovered in Antarctica, they were intrigued by what looked like microscopic fossils of ancient Martian life forms. Now, ...

Spirit Rover: Right-Front Wheel Rotations

Space & Earth / Space Exploration

Dec 18, 2009 | 4.8 / 5 (5) | 0

(PhysOrg.com) -- Spirit's right-front wheel, which had stopped operating in March 2006, revolved with apparently normal motion during the first three of four driving segments on Sol 2117 (Wednesday, Dec. 16) ...

Poisonous prehistoric 'raptor' discovered in China

Other Sciences / Archaeology & Fossils

Dec 21, 2009 | 4.9 / 5 (12) | 1

(PhysOrg.com) -- A group of University of Kansas researchers working with Chinese colleagues have discovered a venomous, birdlike raptor that thrived some 128 million years ago in China. This is the first ...