Watch the cell transplant experiments in zebrafish that suggest certain embryonic cells rely on intrinsic directional cues for collective migration.
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From cardiovascular problems to neurological disorders, a plethora of new medical devices are reducing the need for surgery and improving the quality and safety of healthcare.
Carl Woese, the discoverer of the third domain of life, has passed away at age 84.
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Searching for life beyond our teeming planet has led to some innovative collaborative approaches to generating knowledge right here at home.
In guinea pigs, the insertion of a single gene can transform ordinary heart cells into pacemaker cells that regulate cardiac rhythm.
The science images and videos that captured our attention in 2012
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