Selasa, 01 September 2015

ScienceDaily: Top Science News

ScienceDaily: Top Science News

Slower melting ice cream in pipeline, thanks to new ingredient

Posted: 31 Aug 2015 06:30 PM PDT

Childhood memories of sticky hands from melting ice cream cones could soon become obsolete, thanks to a new food ingredient.

Human body has gone through four stages of evolution

Posted: 31 Aug 2015 01:38 PM PDT

Research into 430,000-year-old fossils collected in northern Spain found that the evolution of the human body's size and shape has gone through four main stages.

Plastic in 99 percent of seabirds by 2050

Posted: 31 Aug 2015 01:37 PM PDT

Researchers from CSIRO and Imperial College London have assessed how widespread the threat of plastic is for the world's seabirds, including albatrosses, shearwaters and penguins, and found the majority of seabird species have plastic in their gut.

Short sleepers are four times more likely to catch a cold

Posted: 31 Aug 2015 01:37 PM PDT

A new study led by a sleep researcher supports what parents have been saying for centuries: to avoid getting sick, be sure to get enough sleep.

Evidence of ancient life discovered in mantle rocks deep below the seafloor

Posted: 31 Aug 2015 01:37 PM PDT

Ancient rocks harbored microbial life deep below the seafloor, reports scientists. This first-time evidence was contained in drilled rock samples of Earth's mantle -- thrust by tectonic forces to the seafloor during the Early Cretaceous period. The discovery confirms a long-standing hypothesis that interactions between mantle rocks and seawater can create potential for life even in hard rocks deep below the ocean floor.

Gene leads to nearsightedness when kids read

Posted: 31 Aug 2015 11:41 AM PDT

Vision researchers have discovered a gene that causes myopia, but only in people who spend a lot of time in childhood reading or doing other 'nearwork.'

Gaming computers offer huge, untapped energy savings potential

Posted: 31 Aug 2015 10:58 AM PDT

In the world of computer gaming, bragging rights are accorded to those who can boast of blazing-fast graphics cards, the most powerful processors, the highest-resolution monitors, and the coolest decorative lighting. They are not bestowed upon those crowing about the energy efficiency of their system. If they were, gaming computers worldwide might well be consuming billions of dollars less in electricity use annually, with no loss in performance, according to new research.

Nocturnal, compass-guided insects have a sense for turbulence too

Posted: 31 Aug 2015 10:58 AM PDT

When nocturnal insects make their high-flying journeys through the darkness of night, they may have more than an internal compass to guide them on their way. Researchers now show that Silver Y moths (Autographa gamma) also rely on turbulence cues to keep themselves from drifting off course in the wind.

We've all got a blind spot, but it can be shrunk

Posted: 31 Aug 2015 10:58 AM PDT

The human eye includes an unavoidable blind spot. That's because the optic nerve that sends visual signals to the brain must pass through the retina, which creates a hole in that light-sensitive layer of tissue. When images project to that precise location, we miss them. As reported in a new article, this blind spot can be effectively 'shrunk' with training, despite the fact that the hole in our visual field cannot be.

Scientists 'squeeze' light one particle at a time

Posted: 31 Aug 2015 09:03 AM PDT

A team of scientists have measured a bizarre effect in quantum physics, in which individual particles of light are said to have been 'squeezed' -- an achievement which at least one textbook had written off as hopeless.

DNA-guided 3-D printing of human tissue is unveiled

Posted: 31 Aug 2015 08:26 AM PDT

Researchers have developed a technique to build tiny models of human tissues using a process that turns human cells into a biological equivalent of LEGO bricks. These mini-tissues in a dish can be used to study how particular structural features of tissue affect normal growth or go awry in cancer.

Dinosaur: Tail as old as time -- researchers trace ankylosaur's tail evolution

Posted: 31 Aug 2015 07:15 AM PDT

How did the ankylosaur get its tail club? According to research that traces the evolution of the ankylosaur's distinctive tail, the handle arrived first on the scene, and the knot at the end of the tail followed.

Tiny drops of 'perfect' fluid existed in the early universe

Posted: 31 Aug 2015 05:57 AM PDT

Surprisingly, smaller particles colliding with large nuclei appear to produce tiny droplets of quark-gluon plasma. Recent results show that the tiny droplets behave like a liquid not the expected gas. The results support the case that these small particles produce tiny drops of the primordial soup.
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