Researchers have reconstructed prehistoric projectiles and points from ancient sites in what is now Alaska and studied the qualities that would make for a lethal hunting weapon. By examining and …read more Source:: Science
Month: January 2018
Most of last 11,000 years cooler than past decade in North America, Europe
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•Natural fluctuations in climate have occurred over past millennia, which would have naturally led to climatic cooling today in the absence of human activity. …read more Source:: Science
Trust is good, quantum trickery is better
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•Scientists prove, for the first time, the security of so-called device-independent quantum cryptography in a regime that is attainable with state-of-the-art quantum technology, thus paving the way to practical realization …read more Source:: Science
A mutational timer is built into the chemistry of DNA
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•Scientists have discovered that DNA contains a kind of built-in timer that clocks the frequency with which mutations occur. They show that DNA bases can shape-shift for a thousandth of …read more Source:: Science
Engineers develop flexible lithium battery for wearable electronics
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•Engineering researchers have developed a prototype of a high-performance flexible lithium-ion battery that demonstrates — concurrently — both good flexibility and high energy density. The battery is shaped like the …read more Source:: Science
Stellar embryos in nearby dwarf galaxy contain surprisingly complex organic molecules
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•The nearby dwarf galaxy known as the Large Magellanic Cloud (LMC) is a chemically primitive place. Unlike the Milky Way, this semi-spiral collection of a few tens-of-billions of stars lacks …read more Source:: Science
Stellar magnetism: What’s behind the most brilliant lights in the sky?
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•Space physicists have just released unprecedented detail on a bizarre phenomenon that powers the northern lights, solar flares and coronal mass ejections (the biggest explosions in our solar system). …read more Source:: Science
How Google fights Android malware
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•Did Google score a complete victory against Android malware last year? No. Did it win? Yes. …read more Source:: Linux
Newborns or survivors? The unexpected matter found in hostile black hole winds
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•The existence of large numbers of molecules in winds powered by supermassive black holes at the centers of galaxies has puzzled astronomers since they were discovered more than a decade …read more Source:: Science
Your brain reveals who your friends are
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•You may perceive the world the way your friends do, according to a new study finding that friends have similar neural responses to real-world stimuli and these similarities can be …read more Source:: Science