Karl Vuleta

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Baby apes and humans teach lessons about evolution of language

When it comes to communication, a human infant starts out with hand gestures, much as baby chimps and bonobos do, and all three of those species shift to using more symbols as they grow up. But the shift to symbols is more pronounced for the human and relies more on vocalization. That pattern may …

Sleep-Deprived Men Are Really Bad At Judging Who Wants To Sleep With Them

Missing out on sleep can cause men to incorrectly gauge if women want to get it on.<p>Gentlemen: if you're running low on fuel after a poor night's sleep, but think your luck's improving because a woman is totally flirting with you right now, think again, because your dumb, REM-deprived brain is very …

How The Media Covers Clean Energy [Infographic]

Coverage doesn't always reflect where the money is going. Whether that matters is a different story.<p>Dow Jones, examining data from 2007 to 2012, created this infographic on how media coverage of clean energy deals and actual clean energy deals intersect.<p>The data's culled from a worldwide …

New 'time cloak' can hide almost half of the data in its path, but even recipients can't see it

When temporal cloaking devices — or "time cloaks," a type of fiber optic connection that can hide the transfer of data — were first proposed in a 2010 paper, they were only able to hide data for extraordinarily brief moments and only on rare occasions. But research published today in <i>Nature</i> is …

With so many nice planets out there, why would aliens attack Earth?

They're baaaack: Movies about aliens are invading the theaters again — in forms ranging from the evil villains of "Pacific Rim" to the benign federation of "Star Trek Into Darkness."<p>The saga of extraterrestrials menacing Earth goes at least as far back as "War of the Worlds" — as in the 1898 H.G. …