2015년 3월 11일 수요일

Strange & Offbeat News -- ScienceDaily

Posted: 10 Mar 2015 05:57 PM PDT
Voices in people's heads are far more varied and complex than previously thought. One of the largest and most detailed studies to date on the experience of auditory hallucinations, commonly referred to as voice hearing, found that the majority of voice-hearers hear multiple voices with distinct character-like qualities, with many also experiencing physical effects on their bodies. The study also confirmed that both people with and without psychiatric diagnoses hear voices.
Posted: 10 Mar 2015 05:56 PM PDT
Astronomers have discovered the fastest ever unbound star in our galaxy. The unbound star, named US708, is traveling at 1,200 kilometers per second -- the fastest speed ever recorded for such an object in our galaxy -- meaning it is not held back by gravity and will eventually leave the Milky Way.
Posted: 10 Mar 2015 01:00 PM PDT
As more animal shelters, primate centers and zoos start to play music for their charges, it's still not clear whether and how human music affects animals. Now, a study shows that while cats ignore our music, they are highly responsive to "music" written especially for them.
Posted: 10 Mar 2015 10:19 AM PDT
On 20 March a total eclipse of the Sun will take place, visible from the North Atlantic Ocean. Observers in the UK and Ireland will see a partial solar eclipse, with up to 97% of the Sun blocked out. This will be the deepest eclipse in the UK since 1999 and until 2026.
Posted: 10 Mar 2015 09:31 AM PDT
Many chameleons have the remarkable ability to exhibit complex and rapid color changes during social interactions. Biologists have now unveiled the mechanisms that regulate this phenomenon. They have demonstrated that the changes take place via the active tuning of a lattice of nanocrystals present in a superficial layer of dermal cells called iridophores. The researchers also reveal the existence of a deeper population of iridophores with larger and less ordered crystals that reflect the infrared light. The organisation of iridophores into two superimposed layers constitutes an evolutionary novelty and it allows the chameleons to rapidly shift between efficient camouflage and spectacular display, while providing passive thermal protection.
Posted: 10 Mar 2015 09:30 AM PDT
Each year, millions of people lose billions of dollars in NCAA March Madness basketball pools. Still, most return the following year for another pummeling.
Posted: 10 Mar 2015 07:52 AM PDT
Genes linked with a greater risk of developing autism may also be associated with higher intelligence, a study suggests.
Posted: 10 Mar 2015 06:15 AM PDT
It's called the gambler's fallacy: After a long streak of losses, you feel you are going to win. But in reality, your odds of winning are no different than they were before. For years, the gambler's fallacy has been thought to be a prime example of human irrationality, but a new study suggests that our brains naturally soak up the strange statistics of random sequences.
Posted: 10 Mar 2015 06:15 AM PDT
Using new capabilities of the Very Large Array, astronomers have made a fascinating image revealing details of the interactions between a pair of galaxy clusters.
Posted: 10 Mar 2015 06:13 AM PDT
Astronomers have discovered a 'treasure trove' of rare dwarf satellite galaxies orbiting our own Milky Way. The discoveries could hold the key to understanding dark matter, the mysterious substance which holds our galaxy together.
Posted: 10 Mar 2015 04:41 AM PDT
Computers that function like the human brain could soon become a reality thanks to new research using optical fibers made of speciality glass. The research has the potential to allow faster and smarter optical computers capable of learning and evolving. Researchers have demonstrated how neural networks and synapses in the brain can be reproduced, with optical pulses as information carriers, using special fibers made from glasses that are sensitive to light, known as chalcogenides.
Posted: 10 Mar 2015 04:41 AM PDT
Astronomers have discovered an unusual phenomenon in the center of the Milky Way: They detected about 20 rotating dust and gas discs in each cluster hosting exceptionally large and hot stars. The existence of these discs in the presence of the destructive UV radiation field of their massive neighbors came as a surprise. The science team is pondering how these rotating discs are able to withstand evaporation under these extreme conditions.
Posted: 10 Mar 2015 04:41 AM PDT
Biorobotics researchers have developed the first aerial robot able to fly over uneven terrain that is stabilized visually without an accelerometer. Called BeeRotor, it adjusts its speed and avoids obstacles thanks to optic flow sensors inspired by insect vision. It can fly along a tunnel with uneven, moving walls without measuring either speed or altitude.
Posted: 10 Mar 2015 04:40 AM PDT
Trefoil, Savoy, or simple ... how do you fashion a "molecular" knot that has one of these shapes? Or better still, what are the most suitable "building blocks" for enabling the knot to assemble itself? A team of scientists has studied and catalogued the shapes that molecular building blocks should have so as to be able to assemble spontaneously into knots having specific forms, each with a possible utility in nanotechnology.
Posted: 04 Mar 2015 12:26 PM PST
Next time you look up at a higher shelf in a store or down at your phone when making a purchase, think about how the direction you are looking could influence your decision. According to a new study, consumers choose different products when looking up versus down.

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