Monday, January 29, 2018

Science X Newsletter Week 04

Dear Reader ,

Here is your customized Science X Newsletter for week 04:

The world's most powerful acoustic tractor beam could pave the way for levitating humans

Acoustic tractor beams use the power of sound to hold particles in mid-air, and unlike magnetic levitation, they can grab most solids or liquids. For the first time University of Bristol engineers have shown it is possible to stably trap objects larger than the wavelength of sound in an acoustic tractor beam. This discovery opens the door to the manipulation of drug capsules or micro-surgical implements within the body. Container-less transportation of delicate larger samples is now also a possibility and could lead to levitating humans.

Curcumin improves memory and mood, study says

Lovers of Indian food, give yourselves a second helping: Daily consumption of a certain form of curcumin—the substance that gives Indian curry its bright color—improved memory and mood in people with mild, age-related memory loss, according to the results of a study conducted by UCLA researchers.

Better than holograms: A new 3-D projection into thin air

One of the enduring sci-fi moments of the big screen—R2-D2 beaming a 3-D image of Princess Leia into thin air in "Star Wars"—is closer to reality thanks to the smallest of screens: dust-like particles.

Toxin in centipede venom identified

A team of researchers from several institutions in China has identified the toxin in golden head centipede venom. In their paper published in Proceedings of the National Academy of Sciences, the group describes how they found the toxin that makes the venom so deadly to prey and also identified a possible antidote for it.

Face of teenage girl from 9,000 years ago reconstructed

A team of researchers with the University of Athens and a Swedish archaeologist has reconstructed the face of a teenage girl from the Mesolithic period whose remains were found in a Greek cave. They have publicized their efforts by showcasing their work at the Acropolis Museum.

Scientists find oxidized iron deep within the Earth's interior (Update)

Scientists studying the Earth's mantle recently made an unexpected discovery. Five hundred and fifty kilometres below the Earth's surface, they found highly oxidized iron, similar to the rust we see on our planet's surface, within garnets found within diamonds.

When the eyes move, the eardrums move, too

Simply moving the eyes triggers the eardrums to move too, says a new study by Duke University neuroscientists.

Modern medicine infected by the virus of mistrust

A rising tide of suspicion amplified by social networks has eroded public trust in modern medicine, leaving scientists and health officials scrambling for ways to shore up its credibility, experts say.

Researchers discover a piece of America in northern Australia

Curtin University researchers have discovered rocks in northern Queensland that bear striking similarities to those found in North America, suggesting that part of northern Australia was actually part of North America 1.7 billion years ago.

Chinese volunteers spend 200 days on virtual 'moon base'

Chinese students spent 200 continuous days in a "lunar lab" in Beijing, state media said Friday, as the country prepares for its long-term goal of putting people on the moon.

TRAPPIST-1 system planets potentially habitable

Two exoplanets in the TRAPPIST-1 system have been identified as most likely to be habitable, a paper by PSI Senior Scientist Amy Barr says.

Ethiopia could be sitting on one of world's great untapped gold deposits

To the west of Ethiopia near the Sudanese border lies a place called the Asosa zone. This may be the location of the oldest gold mine in the world. Dating back some 6,000 years, it provided a key source of gold to the ancient Egyptian empire, whose great wealth was famous throughout the known world. It may even have supplied the Queen of Sheba with her lavish gifts of gold when she visited King Solomon of Israel almost 3,000 years ago.

New 'big-armed fly' species named after Arnold Schwarzenegger

New species can be named for all types of attributes, but Natural History Museum of Los Angeles County entomologist Brian Brown knew exactly what name to give a bizarre new fly species he discovered in the Brazilian Amazon.

Scientists pioneer use of deep learning for real-time gravitational wave discovery

Scientists at the National Center for Supercomputing Applications (NCSA), located at the University of Illinois at Urbana-Champaign, have pioneered the use of GPU-accelerated deep learning for rapid detection and characterization of gravitational waves. This new approach will enable astronomers to study gravitational waves using minimal computational resources, reducing time to discovery and increasing the scientific reach of gravitational wave astrophysics. This innovative research was recently published in Physics Letters B.

Group suggests pushing age of adolescence to 24

A small group of researchers with the Royal Children's Hospital in Australia is suggesting that it might be time to change the span of years that define adolescence—from the current 10 to 19 to a proposed 10 to 24 years of age. In their paper published in The Lancet Child & Adolescent Health, the group offers arguments for their suggestion and the benefits they believe would come about by doing so.

Mathematicians develop model for how new ideas emerge

Researchers from Queen Mary University of London have developed a mathematical model for the emergence of innovations.

Can't remember a name? Blame the left side of your brain

Scientists have discovered that the left side of the brain controls the verbal expression of our long-term 'semantic' memory which contains facts, meanings, concepts and knowledge.

Botulinum-type toxins jump to a new kind of bacteria

Enterococci are hardy microbes that thrive in the gastrointestinal tracts of nearly all land animals, including our own, and generally cause no harm. But their ruggedness has lately made them leading causes of multi-drug-resistant infections, especially in settings like hospitals where antibiotic use disrupts the natural balance of intestinal microbes.

Scientists discover oldest known modern human fossil outside of Africa

A large international research team, led by Israel Hershkovitz from Tel Aviv University and including Rolf Quam from Binghamton University, State University of New York, has discovered the earliest modern human fossil ever found outside of Africa. The finding suggests that modern humans left the continent at least 50,000 years earlier than previously thought.

New for three types of extreme-energy space particles: Theory shows unified origin

New model connects the origins of very high-energy neutrinos, ultrahigh-energy cosmic rays, and high-energy gamma rays with black-hole jets embedded in their environments.


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