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Researchers open new possibilities for characterizing nanoparticle interactions

(Phys.org) —Molecules anchored to the surfaces of nanoparticles modify and even control many characteristics of the particles, including how they interact with cells or react to light. The type of...

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Variation in land-use intensity leads to higher biodiversity

If grassland is managed intensively, biodiversity typically declines. A new study led by Bernese plant ecologists shows that it is rare species that suffer the most. These negative effects could be...

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Electric-blue clouds appear over Antarctica

Data from NASA's AIM spacecraft show that noctilucent clouds are like a great "geophysical light bulb." They turn on every year in late spring, reaching almost full intensity over a period of no more...

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3M teams with Cambrios to produce silver nanowire ink for touch displays

(Phys.org) —3M has announced a joint venture with Cambrios Technologies, a nanotechnology company, to produce a new line of touch sensitive screens based on silver nanowire ink developed by Cambrios....

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Ice storm leaves 500K without power in US, Canada

Repair crews worked around the clock to restore power to nearly half a million customers who faced a cold and dark Christmas in parts of the central and northeastern United States and into eastern...

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A smarter sock: Sensoria will watch how you step (w/ Video)

(Phys.org) —Get set for a fitness market buzzword likely to get louder in 2014, the quantitative self. Sensors embedded in wearable items communicating data via Bluetooth to people's watches,...

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Epigenetics enigma resolved: First structure of enzyme that removes methylation

Scientists have obtained the first detailed molecular structure of a member of the Tet family of enzymes.

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BGU security team says vulnerability found in Samsung Knox

(Phys.org) —Israeli researchers at Ben-Gurion University of the Negev (BGU) said a security flaw was discovered by a team member, a PhD student, and that this vulnerability could enable interception of...

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Apple is granted hover and heart-rate monitoring patents

(Phys.org) —Apple has been awarded patents that include one for an accurate touch and hover panel, originally filed back in 2010, and another for an embedded heart rate monitor, originally filed in...

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Amazon to compensate customers for late gifts

Amazon Thursday said it would give $20 gift cards and pay shipping costs for customers affected by problems at UPS and FedEx that delayed some Christmas package deliveries.

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Genetic discovery points the way to much bigger yields in tomato, other...

Every gardener knows the look of a ripe tomato. That bright red color, that warm earthy smell, and the sweet juicy flavor are hard to resist. But commercial tomato plants have a very different look...

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Batteries as they are meant to be seen

Researchers have developed a way to microscopically view battery electrodes while they are bathed in wet electrolytes, mimicking realistic conditions inside actual batteries. While life sciences...

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Jack-of-all-trades slows down evolutionary tree

All living organisms are tips of an evolutionary tree that emerged over 3.5 billion years from a single common ancestor. Research in the Department of Bionanoscience at Delft University of Technology...

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NASA satellite sees increase of India's sulfur dioxide emissions

(Phys.org) —Power plant emissions of sulfur dioxide – an atmospheric pollutant with both health and climate impacts – have increased across India in recent years, according to a new analysis of data...

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Enzyme that produces melatonin originated 500 million years ago, study shows

(Phys.org) —An international team of scientists led by National Institutes of Health researchers has traced the likely origin of the enzyme needed to manufacture the hormone melatonin to roughly 500...

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Retrieving an asteroid

(Phys.org) —Asteroids (or comets) whose orbits bring them close to the earth's orbit are called near Earth objects. Some of them are old, dating from the origins of the solar system about four and...

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Birds outsmart wasps to feed young

(Phys.org) —A species of bird found in Central and South America is able to supply its young with a steady diet of wasp larvae, evading stings from defending workers by using physical, not chemical...

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Top India Bitcoin operator halts trade after bank warning

India's biggest Bitcoin trading platform said on its website Friday it had suspended operations after the central bank warned against the risks of using virtual money.

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Apple asks US court to ban Samsung phones, tablets

Apple has asked a federal judge to bar US sales of Samsung smartphones and tablet computers in the blockbuster patent case involving the two electronics giants.

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US judge rules NSA phone surveillance lawful

A US judge ruled Friday that the National Security Agency's mass surveillance of telephone calls is lawful, fanning a legal conflict likely to be decided ultimately by the Supreme Court.

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