First life may have arisen above serpentine rock, researchers say

(PhysOrg.com) -- About 3.8 billion years ago, Earth was teeming with unicellular life. A little more than 4.5 billion years ago, the Earth was a ball of vaporous rock. And somewhere in between, the first organisms spontaneously ...

Animals that can do math understand more language than we think

It is often thought that humans are different from other animals in some fundamental way that makes us unique, or even more advanced than other species. These claims of human superiority are sometimes used to justify the ...

Network theory expert sees Web pages as 19 clicks apart

(Phys.org)—The concept of its being a small world after all is now being placed in the scientific context of the wide, wide Web as a small Web after all. According to a physicist, Web pages are actually no greater than ...

Call to boycott killer robots

(Phys.org) -- Engineers should stop working on killer robots and kick the habit of military funding, a leading Australian applied ethicist has said.

Professor moves Greek texts, Arabic translations online

Long before the Italians rediscovered original Greek sources during the Renaissance, Arab scholars recognized the importance of ancient science and philosophy and began translating precious writings into Arabic. Now, Classics ...

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