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Rise of Humans 2 Million Years Ago Doomed Large Carnivores

Lions are one of just six carnivores that remain in East Africa today, compared with more than 15 species that shared the landscape before the dawn of Homo. Image: Kate Wong The impact of Homo sapiens on the environment over the past few hundred years has been so profound that some scientists term this chapter of Earth s history the Anthropocene . But humans may have begun wreaking ecological havoc far, far earlier than that.

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Occupy Sites Help Cops, Corps Track Occupiers

Occupy Wall Street websites love adding Google, Facebook, and Twitter buttons--which could give law enforcement a handy back door to track users' actions--and identities. Big Data is everywhere. Occupy Wall Street protesters, however, are dealing with a special challenge: Online marketers and analytics firms tracing the minutiae of their lives--including their email contacts and physical location--and possibly passing the information on to law enforcement.

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Is Supersymmetry Dead?

For decades now physicists have contemplated the idea of an entire shadow world of elementary particles, called supersymmetry. It would elegantly solve mysteries that the current Standard Model of particle physics leaves unexplained, such as what cosmic dark matter is.

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3 Dangers of Charismatic Leadership

Becoming a more charismatic leader can help your company. It can also trip it up. Very few leadership attributes have as dangerous a downside as charisma.

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Journal Publishers in China Vow to Clamp Down on Academic Fraud

By David Cyranoski of Nature magazine The China Association for Science and Technology (CAST) in Beijing has taken the lead among the country's publishers in trying to clamp down on academic misconduct. [More]

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Google Pays Homage to Zipper Engineer Gideon Sundback

Today, an image of a zipper runs down Google s home page in celebration of the 132nd birthday of Gideon Sundback, who helped make the device an indispensable item for today’s man on the go. (Read that as you will.) Sundback did not invent the slide fastener, as it is generically called (“zipper” is actually a trade name for a version developed by the B.F. Goodrich company).

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Planetary Resources’ Crazy Plan to Mine an Asteroid May Not Be So Crazy

The asteroid Vesta In a widely anticipated announcement today, the new company Planetary Resources revealed their plans for near-Earth asteroid domination. The group has mapped out a multi-stage process to map, observe, capture, tow and eventually mine asteroids for valuables. “A single 500-meter platinum-rich asteroid contains the equivalent of all the platinum group metals mined in history,” reads the company’s press release .

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The UVA Bay Game

Online game informs researchers and policy makers about caring for watershed areas [More]

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Genome Run: Andean Shrub Is First New Plant Species Described by Its DNA

A flowering shrub from the Andean cloud forests made taxonomic history last month. The plant--now dubbed Brunfelsia plowmaniana --had puzzled botanists for decades as they endeavored to determine whether or not it was truly an evolutionary newcomer

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