martes, 15 de julio de 2014

ScienceDaily: Strange Science News

ScienceDaily: Strange Science News


Study: Young women with sexy social media photos seen as less competent

Posted: 14 Jul 2014 03:24 PM PDT

Girls and young women who post sexy or revealing photos on social media sites are viewed by their female peers as less attractive and less competent to perform tasks, a new study indicates. One researcher's advice for girls and young women is to select social media photos that showcase their identity rather than her appearance, such as one from a trip or one that highlights participation in a sport or hobby.

Bones of elephant ancestor unearthed: Meet the gomphothere

Posted: 14 Jul 2014 12:24 PM PDT

An ancient ancestor of the elephant, once believed to have disappeared from North America before humans ever arrived there, might actually have roamed the continent longer than previously thought. Archaeologists have uncovered the first evidence that gomphotheres were once hunted in North America.

Genome-wide analysis reveals genetic similarities among friends: Study finds truth to 'friends are the family you choose'

Posted: 14 Jul 2014 12:23 PM PDT

If you consider your friends family, you may be on to something. A new study finds that friends who are not biologically related still resemble each other genetically.

Squishy robots: Phase-changing material could allow even low-cost robots to switch between hard and soft states

Posted: 14 Jul 2014 09:28 AM PDT

In the movie 'Terminator 2,' the shape-shifting T-1000 robot morphs into a liquid state to squeeze through tight spaces or to repair itself when harmed. Now a phase-changing material built from wax and foam, and capable of switching between hard and soft states, could allow even low-cost robots to perform the same feat.

3D printed anatomy to mark a new era for medical training

Posted: 14 Jul 2014 07:41 AM PDT

The creators of a unique kit containing anatomical body parts produced by 3D printing say it will revolutionize medical education and training, especially in countries where cadaver use is problematic. The '3D Printed Anatomy Series' is thought to be the first commercially available resource of its kind. The kit contains no human tissue, yet it provides all the major parts of the body required to teach anatomy of the limbs, chest, abdomen, head and neck.

Prehistoric ‘bookkeeping’ tokens continued long after invention of writing

Posted: 14 Jul 2014 07:04 AM PDT

An archaeological dig in southeast Turkey has uncovered a large number of clay tokens that were used as records of trade until the advent of writing, or so it had been believed. But the new find of tokens dates from a time when writing was commonplace -- thousands of years after it was previously assumed this technology had become obsolete. Researchers compare it to the continued use of pens in the age of the word processor.

Internet browsing can improve millennial attention to workplace tasks

Posted: 14 Jul 2014 07:03 AM PDT

A recent research article has empirically test the theory of Workplace Internet Leisure Browsing, its effectiveness in restoring overall attention to workplace tasks, and attitudes toward workplace Internet browsing among differing age groups.  The implication of this dual study is that short breaks that include non-work related Internet browsing can potentially improve younger workers' (under the age of 30) attention to work tasks.

Domestication syndrome: White patches, baby faces and tameness explained by mild neural crest deficits

Posted: 14 Jul 2014 07:01 AM PDT

More than 140 years ago, Charles Darwin noticed something peculiar about domesticated mammals. Compared to their wild ancestors, domestic species are more tame, and they also tend to display a suite of other characteristic features, including floppier ears, patches of white fur, and more juvenile faces with smaller jaws. Since Darwin's observations, the explanation for this pattern has proved elusive, but now, a new hypothesis has been proposed that could explain why breeding for tameness causes changes in such diverse traits.

Li-fi protocol allows use of the Internet at the speed of light

Posted: 13 Jul 2014 12:54 PM PDT

Sisoft Company in Mexico has developed a technology that can illuminate a large work space, an auditorium or an office, while providing full mobile Internet to every device that comes into the range of the light spectrum.

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