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Researchers demonstrate a new strategy to stop the TB bacterium

To stay ahead in the race against drug-resistant infections, scientists constantly search for and exploit vulnerabilities in deadly bacteria. Now, researchers from Brown and the Massachusetts Institute...

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Tiny bottles and melting corks: Temperature regulates new delivery system for...

Microscopic, bottle-like structures with corks that melt at precisely-controlled temperatures could potentially release drugs inside the body or fragrances onto the skin, according to a recently...

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Long-stressed Europa likely off-kilter at one time

(Phys.org) —By analyzing the distinctive cracks lining the icy face of Europa, NASA scientists found evidence that this moon of Jupiter likely spun around a tilted axis at some point.

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Toxoplasma-infected mice remain unafraid of cats even after parasite clearance

Chronic infection with the parasite Toxoplasma gondii can make mice lose their innate, hard-wired fear of cats. This loss of their innate fear may persist after the parasite is no longer detectable in...

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Study suggests overfishing of sharks is harming coral reefs

A team of scientists from Canada and Australia have discovered that the decline in shark populations is detrimental to coral reefs.

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True colors: Female squid have two ways to switch color

The female common market squid –– AKA Doryteuthis opalescens –– may not be so common after all. Researchers at UC Santa Barbara have discovered that this glamorous cephalopod possesses a pair of...

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New role for protein family could provide path to how crop traits are modified

Pioneering new research from a team of Indiana University Bloomington biologists has shown for the first time that a protein which has been long known to be critical for the initiation of protein...

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Researchers reveal Earth's habitable lifetime and investigate potential for...

Habitable conditions on Earth will be possible for at least another 1.75 billion years – according to astrobiologists at the University of East Anglia.

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New sensor could prolong the lifespan of high-temperature engines

A temperature sensor developed by researchers at the University of Cambridge could improve the efficiency, control and safety of high-temperature engines. The sensor minimises drift –degradation of the...

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Seismologists puzzle over largest deep earthquake ever recorded

A magnitude 8.3 earthquake that struck deep beneath the Sea of Okhotsk on May 24, 2013, has left seismologists struggling to explain how it happened. At a depth of about 609 kilometers (378 miles), the...

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Circadian clock's rhythm ensures steady energy supply to cells during times...

Each of our cells has an energy furnace, and it is called a mitochondrion. A Northwestern University-led research team now has identified a new mode of timekeeping that involves priming the cell's...

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'Cascade of events' caused sudden explosion of animal life

The explosion of animal life on Earth around 520 million years ago was the result of a combination of interlinked factors rather than a single underlying cause, according to a new study.

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Geologists simulate deep earthquakes in the laboratory

More than 20 years ago, geologist Harry Green, now a distinguished professor of the graduate division at the University of California, Riverside, and colleagues discovered a high-pressure failure...

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Life on Mars hopes fade after methane findings (Update)

Hopes of finding life on Mars suffered a setback after new findings from NASA's Curiosity rover detected only trace amounts of methane gas in the Red Planet's atmosphere, a study said Thursday.

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Tech titans see opportunity in cybersecurity

With its PC sales slowing, Hewlett-Packard Co. is grappling for a piece of the exploding cybersecurity market as a key part of CEO Meg Whitman's plan to turn around the struggling company.

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Antibacterial products fuel resistant bacteria in streams and rivers

Triclosan – a synthetic antibacterial widely used in personal care products – is fueling the development of resistant bacteria in streams and rivers. So reports a new paper in the journal Environmental...

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Molten-air battery's storage capacity among the highest of any battery type

(Phys.org) —Researchers have demonstrated a new class of high-energy battery, called a "molten-air battery," that has one of the highest storage capacities of any battery type to date. Unlike some...

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Scientists show why traumatized trees don't 'bleed' to death

Why don't trees "bleed" to death when they are injured? Researchers from Virginia Tech, the Georg-August University of Gottingen, Germany, and the Jackson Laboratory of Bar Harbor, Maine, have...

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HP marks October availability of gesture-control PC (w/ Video)

(Phys.org) —HP is taking the leap as the first laptop maker to sell a machine with Leap Motion gesture control technology embedded into the computer. HP announced Thursday that the HP ENVY17 Leap...

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Giant prehistoric elephant slaughtered by early humans

Research by a University of Southampton archaeologist suggests that early humans, who lived thousands of years before Neanderthals, were able to work together in groups to hunt and slaughter animals as...

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