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By Zoe Cormier of Nature magazine Thanks to fluorescent labels that help them to spot cancerous tissue, surgeons have removed ovarian tumor cells that might otherwise have been left behind.

Mo Costandi of Nature magazine Research showing that action video games have a beneficial effect on cognitive function is seriously flawed, according to a review published this week in Frontiers in Psychology .

By Ewen Callaway of Nature magazine After decades of dashed hopes, AIDS vaccine developers are allowing themselves some cautious optimism. [More]

I always knew we humans have a rather tenuous grip on the concept of time, but I never realized quite how tenuous it was until a couple of weeks ago, when I attended a conference on the nature of time organized by the Foundational Questions Institute.

By Hannah Hoag of Nature magazine An unusual 'help wanted' advertisement arrived in the inboxes of Canadian scientists last week. [More]

By Brian Switek of Nature magazine A painstaking search through thousands of chunks of amber has unearthed 11 prehistoric feathers.

By Roberta Kwok of Nature magazine Researchers have equipped yeast cells with semi-synthetic chromosomes. [More]

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By Ed Yong of Nature magazine The iconic Nile crocodile actually comprises two different species -- and they are only distantly related.

By Heidi Ledford of Nature magazine The perennial grass Miscanthus

By Heidi Ledford of Nature magazine The perennial grass Miscanthus

One of the world's oldest publishing companies brought in a ringer to revolutionize the way the company does business.

By destabilizing superconductivity with a strong magnetic field, the electrons of a "high temperature" superconductor align into linear filaments. This phenomenon has been demonstrated by a team of researchers at the CNRS Laboratoire National des Champs Magnetiques Intenses. Published in Nature on the 8 September 2011, these results add a new piece to the puzzle that condensed-matter physicists have been trying to put together for nearly twenty-five years.

Urban life can be trying--cars and buses honk, passersby jostle, concrete and brick win out over grass and trees. Researchers have known for decades that residents of densely populated areas have higher rates of mental illnesses, including anxiety disorders and schizophrenia