Science & Technology
Recent research has suggested that stimulating certain peripheral nerves—those that relay signals between the brain, the spinal cord and the rest of the body—can enhance a person's ability to learn, by triggering the release of neurochemicals that reorganize connections in the brain. Through its new Targeted Neuroplasticity Training program, DARPA is is funding eight different research efforts that seek to enhance learning by targeting those nerves with electrical stimulation. The end goal is to translate those findings into real-world applications that boost military training regimens—allowing a soldier, to say, soak up a new language in months instead of years. Should DARPA figure out a way to do that, its efforts will likely go on to impact all of us.
Mercenary: "a person primary concerned with making money at the expense of ethics."
"The conscious and intelligent manipulation of the organized habits and opinions of the masses is an important element in democratic society. Those who manipulate this unseen mechanism of society constitute an invisible government which is the true ruling power of our country. We are governed, our minds are molded, our tastes formed, and our ideas suggested, largely by men we have never heard of...It is they who pull the wires that control the public mind." — Edward L. Bernays, the Father of Propaganda in America and Sigmund Freud's nephew, from his seminal book Propaganda (1928).
"Entire populations, which were undisciplined or lacking in intellectual or definite moral principles, were vulnerable to unconscious influence and thus susceptible to wanting things that they do not need. This is achieved by manipulating desires on an unconscious level." - Edward Bernays, From the Annals of the American Academy of Political and Social Science (March 1947)
Noctilucent clouds, also known as "night-shining" clouds, form on the edge of space about 50 miles high off the surface. They're made of ice crystals, which reflect sunlight to give off the clouds' signature blueish glow, according to NASA.
They're mainly seen in the summer just after sunset and before sunrise. Greg Johnson with SkunkbayWeather.com caught a display over Hansville, Wash. last summer with his nighttime time lapse video camera:
The clouds are usually spotted about 30-60 minutes after sunset when the sun is between 6 and 16 degrees below the horizon, according to SpaceWeather.com. That's because the clouds are so high they can still "see" the sun from that altitude but it's dark enough on the surface to spot their cool, blue glow. Typically these clouds are brightest in late June and July.
Scientists had thought the clouds were actually the result of "meteor smoke" and it turns out, the satellite data confirmed they're on the right track.

Graymatics employees pretend to fight as they record footage to be used to 'train' their software to watch and filter internet videos for violence, at their office in Singapore April 27, 2017
None, so far, claim to have cracked the problem completely.
A Thai man who broadcast himself killing his 11-month-old daughter in a live video on Facebook this week, was the latest in a string of violent crimes shown live on the social media company. The incidents have prompted questions about how Facebook's reporting system works and how violent content can be flagged faster.
A dozen or more companies are wrestling with the problem, those in the industry say. Google - which faces similar problems with its YouTube service - and Facebook are working on their own solutions.
Most are focusing on deep learning: a type of artificial intelligence that makes use of computerized neural networks. It is an approach that David Lissmyr, founder of Paris-based image and video analysis company Sightengine, says goes back to efforts in the 1950s to mimic the way neurons work and interact in the brain.
Rassim Khelifa from the University of Zurich, Switzerland, witnessed the behavior for the first time in the moorland hawker dragonfly (Aeshna juncea). While collecting their larvae in the Swiss Alps, he watched a female crash-dive to the ground while being pursued by a male.
The female then lay motionless on her back. Her suitor soon flew away, and the female took off once the coast was clear.
"I was surprised," says Khelifa, who had never previously seen this in 10 years of studying dragonflies.

Matthias Meyer, shown working in a clean room, helped find a way to fish out human DNA from ancient soils.
"It's a great breakthrough," says Chris Stringer, an anthropologist at the Natural History Museum in London. "Anyone who's digging cave sites from the Pleistocene now should put [screening sediments for human DNA] on their list of things that they must do." Adds Svante Pääbo, the head of the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, where the work was done: "I think this will become a standard tool in archaeology, maybe even like radiocarbon dating."
Testing has been ongoing for the past two weeks at Camp Pendleton in California, as part of the Ship-to-Shore Maneuver Exploration and Experimentation Advanced Naval Technology Exercise 2017, Fox News reported Thursday.
From quadcopter drones to surf and sand-ready weaponized autonomous vehicles, the US Navy and Marines are seeking to avoid detection, conduct surveillance, free up manpower and ultimately lessen the risks that come with storming beaches. They are expected to narrow down what's needed most from roughly 50 machines being tried out.
Due to its small size, the host star does not produce enough heat to support life on the planet. This has prompted scientists to label the world - nominally called OGLE-2016-BLG-1195Lb - the 'iceball' planet.
An international team of researchers found the planet using a technique known as 'microlensing,' which uses background stars as flashlights that mark out planets as dark dots when they cross the field of light.
"This iceball planet is the lowest-mass planet ever found through microlensing," said Yossi Shvartzvald, a NASA postdoctoral fellow based at the space agency's Jet Propulsion Laboratory in Pasadena, California.













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