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Wednesday, September 4, 2013

ScienceDaily: Top Science News

ScienceDaily: Top Science News


Breakthrough could make electronics smaller and better: Surprising low-tech tool -- Scotch tape -- was key

Posted: 03 Sep 2013 04:41 PM PDT

Scientists have discovered a groundbreaking technique in manufacturing nanostructures that has the potential to make electrical and optical devices smaller and better than ever before. A surprising low-tech tool of Scotch Magic tape ended up being one of the keys to the discovery.

Why parenting can never have a rule book: Children's genetics significantly affect how they are parented

Posted: 03 Sep 2013 04:41 PM PDT

Any parent will tell you that there is no simple recipe for raising a child. Being a parent means getting hefty doses of advice -- often unsolicited -- from others. But such advice often fails to consider a critical factor: The child. A new review of dozens of studies involving more than 14,600 pairs of twins shows that children's genetics significantly affect how they are parented.

Brain wiring quiets the voice inside your head

Posted: 03 Sep 2013 04:40 PM PDT

Researchers have developed the first diagram of the brain circuitry that enables a complex interplay between the motor system and the auditory system to occur. The research could lend insight into schizophrenia and mood disorders that arise when this circuitry goes awry and individuals hear voices other people do not hear.

Massive storm pulls water and ammonia ices from Saturn's depths

Posted: 03 Sep 2013 04:36 PM PDT

Once every 30 years or so, or roughly one Saturnian year, a monster storm rips across the northern hemisphere of the ringed planet. In 2010, the most recent and only the sixth giant storm on Saturn observed by humans began stirring. It quickly grew to superstorm proportions, reaching 15,000 kilometers (more than 9,300 miles) in width and visible to amateur astronomers on Earth as a great white spot dancing across the surface of the planet.

Aging really is 'in your head:' Scientists answer hotly debated questions about how calorie restriction delays aging process

Posted: 03 Sep 2013 09:30 AM PDT

Among scientists, the role of proteins called sirtuins in enhancing longevity has been hotly debated, driven by contradictory results from many different scientists. But new research may settle the dispute. Researchers have identified the mechanism by which a specific sirtuin protein called Sirt1 operates in the brain to bring about a significant delay in aging and an increase in longevity. Both have been associated with a low-calorie diet.

New effective treatment for high blood pressure? Removing tiny organ

Posted: 03 Sep 2013 08:33 AM PDT

Removing one of the tiniest organs in the body has shown to provide effective treatment for high blood pressure. The discovery could revolutionize treatment of the world's biggest silent killer.

New therapeutic approach to fight cancer: Inhibiting cancer cells' energy metabolism

Posted: 03 Sep 2013 08:30 AM PDT

Resting cancer cells can be selectively destroyed by inhibiting their energy metabolism, according to a new study.

Bringing coral reefs back from the brink

Posted: 03 Sep 2013 07:21 AM PDT

Shocks caused by climate and seasonal change could be used to aid recovery of some of the world's badly-degraded coral reefs, scientists have proposed. Marine scientists suggest that it may be possible to restore living coral cover to a badly-degraded reef system -- though not easy.

Oldest land-living animal from Gondwana found

Posted: 03 Sep 2013 07:21 AM PDT

Scientists have discovered the oldest known land-living animal from Gondwana in a remote part of the Eastern Cape. It is a 350-million-year-old fossilized scorpion.

Language and tool-making skills evolved at the same time

Posted: 03 Sep 2013 07:20 AM PDT

The same brain activity is used for language production and making complex tools, supporting the theory that they evolved at the same time.

Canine remote control, using your smart phone? Hands-free dog walking for the digital age

Posted: 03 Sep 2013 07:20 AM PDT

That "best friend" can get a bit tiresome, all that rolling over, shaking paws, long walks and eating every crumb of food off the floor. But, what if there were a way to command your dog with a remote control, or even via your smart phone...or even without hands?

Death by asexuality: Biologists uncover new path for mutations to arise

Posted: 03 Sep 2013 07:15 AM PDT

Ground-breaking new research from a team of evolutionary biologists shows for the first time how asexual lineages of a species are doomed not necessarily from a long, slow accumulation of new mutations, but rather from fast-paced gene conversion processes that simply unmask pre-existing deleterious recessive mutations.

Deep-sea squid with tentacle tips that 'swim' on their own

Posted: 03 Sep 2013 06:16 AM PDT

Many deep-sea animals such as anglerfish use parts of their body as lures to attract prey. Researchers have now described a deep-sea squid whose tentacle tips flap and flutter as if swimming on their own. The researchers hypothesize that the motion of these tentacle tips may induce small shrimp and other animals to approach within reach of the squid's arms.

Scientists discover new bat species in West Africa

Posted: 03 Sep 2013 06:10 AM PDT

Biologists have discovered five new species of bats in West Africa.

Common phobia you have never heard of: Fear of holes may stem from evolutionary survival response

Posted: 03 Sep 2013 06:10 AM PDT

Does the sight of soap bubbles, aerated chocolate or a lotus flower seed pod bring you out in a cold sweat and make you feel panicky? If so, you could be a sufferer of one of the most common phobias you have never heard of -- trypophobia, or the fear of holes.

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