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Tuesday, July 12, 2016

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Hillary Clinton Controversy: How Do Email Servers Work?

The controversy surrounding the private email server that Hillary Clinton used while serving as the U.S. Secretary of State has been a central theme of the 2016 presidential race. But what exactly is an email server, and how does it work?

Raytheon cautiously optimistic on satellite control station

Raytheon Co on Tuesday said it was cautiously optimistic after hitting key milestones in recent months on a long-delayed and over-budget program to develop a ground control system for next-generation GPS satellites. Wajsgras said Raytheon would continue to work closely with the U.S. Air Force to ensure the success of the program, which is facing a "live or die" Pentagon review after breaching critical cost thresholds earlier this year. "We feel good about the progress we've made." Defense Undersecretary Frank Kendall told reporters this week that Raytheon's work on the program was "a mixed bag", showing progress in some areas but continuing problems in others.

Evidence of Cannibalism: Did Neanderthals Eat Each Other?

Neanderthal bones uncovered in a Belgium cave show unmistakable signs of butchery, and scientists said they are the first evidence of Neanderthal cannibalism in northern Europe. "The big differences in the behavior of these people on the one hand, and the close genetic relationship between late European Neanderthals on the other, raise many questions about the social lives and exchange between various groups," Hervé Bocherens, one of the lead researchers, told CBS News.

Crystal Pepsi Returns: Uncapping the Weird History of Clear Sodas

Crystal Pepsi is back. Again.

Zoo aims to help chimps hang on to their wild side

University of Birmingham researchers have introduced a forest canopy-like environment in the chimpanzee enclosure at Twycross Zoo using the software, which provides data on wild chimpanzee behavior and allows researchers to analyze changes. "A key part of the tool is that it's based on replicating the mechanical challenges that chimpanzees experience in the wild in their daily lives," Susannah Thorpe, senior lecturer at the University of Birmingham, told Reuters. "So when they're moving around forest canopy they have to deal with branches flexing under their weight, they have to deal with planning routes in advance so they know where to go to get to the next food source and we're trying to emulate these mechanical challenges into the lives of captive chimpanzees." Straps and other structures have been installed to make the chimps bend and move around off the ground.

Simian Stone Age: Monkeys Used Rocks as Tools for Hundreds of Years

A group of wild capuchin monkeys in Brazil have used stones as tools to prepare their favorite meal of cashew nuts for more than 700 years, according to a new study. Archaeologists found evidence that capuchin monkeys in Brazil?s Serra da Capivara National Park have used stones to smash open the shells of cashew nuts and seeds for at least 100 monkey generations. The researchers observed young monkeys learning to use stones as tools from older monkeys at recognizable "cashew-processing sites," such as around the base of a cashew tree.

Prenatal Multivitamins Don't Help Much, Study Says

For pregnant women, taking prenatal vitamins may be a waste of money, a new review of previous research suggests. Instead of taking multivitamin and mineral supplements, pregnant women should focus on improving the overall quality of their diets, and should take just two vitamins: folic acid and vitamin D, according to the review, conducted by researchers in the United Kingdom. "We found no evidence to recommend that all pregnant women should take prenatal multinutrient supplements beyond the nationally advised folic acid and vitamin D supplements, generic versions of which can be purchased relatively inexpensively," the authors wrote in the report, published today (July 11) in the journal Drug and Therapeutics Bulletin.

Will Staying Hydrated Help with Weight Loss?

Drinking enough water may be one key to maintaining a healthy weight, according to a new study, which finds that there may be a link between staying hydrated and staying slim.

Too Many People 'Self-Prescribe' Antibiotics, Experts Say

Many Americans store leftover antibiotic drugs in their homes and say that if they got sick, they would take the antibiotics without going to their doctor first, a new study finds.

Trump's denial of climate science at odds with world leaders

WASHINGTON (AP) — If elected president, Donald Trump would be the only head of state in the world to contend that climate change is a hoax, according to a study.

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Monday, July 11, 2016

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Solar plane leaves Seville on penultimate leg of round-the-world flight

SEVILLE, Spain (Reuters) - An airplane powered solely by energy from the sun took off from southern Spain early on Monday on the penultimate leg of the first ever fuel-free round-the-world flight. The single-seat Solar Impulse 2 lifted off from Seville at 0420 GMT (12:20 a.m. EDT) en route for Cairo, a trip expected to take 50 hours and 30 minutes. The plane has more than 17,0000 solar cells built in to its wings and travels at a cruising speed of around 70 km per hour (43 mph). ...

Covered in Ash: Chinstrap Penguins Threatened by Volcanic Eruption

A volcano on the northernmost island of an archipelago in the South Atlantic Ocean has been spewing ash and smoke since March, threatening one of the largest colonies of penguins in the world, according to a new study. Zavodovski Island, one of the South Sandwich Islands, is uninhabited by humans, but it is home to more than 1 million chinstrap penguins, according to the British Antarctic Survey (BAS). BAS researchers found the volcanic eruption via satellite imagery and fishermen from nearby South Georgia were able to photograph ash blowing eastward across the island over penguin-nesting grounds.

Bye, Bye, Coffee Cups: Why San Francisco Banned Foam Products

In one of the most extensive such bans in the U.S., San Francisco recently voted to outlaw commonly used foam products due to their environmental impact. The city's board of supervisors unanimously voted last week (June 28) to ban expanded polystyrene, the foam, petroleum-based plastic used in food packaging, packing peanuts, coffee cups and more. The ordinance, which goes into effect next year, is an extension of a 2007 ban of take-out food containers made of the foam, and is another step toward the city's goal to achieve zero waste.

Rare Noah's Ark Mosaic Uncovered in Ancient Synagogue in Israel

Mosaics depicting prominent Bible scenes were uncovered during annual excavations of an ancient synagogue in Israel's Lower Galilee. During the excavation in June, archaeologists found two new panels of a mosaic floor in a Late Roman (fifth-century) synagogue at Huqoq, an ancient Jewish village. One panel showed Noah's ark with pairs of animals, such as lions, leopards and bears.

Is a 'Mystery Virus' Causing Former Tennis Star?s Bizarre Symptoms?

Former professional tennis player Marion Bartoli says that a mysterious virus is causing her to experience bizarre symptoms, but experts say they don?t know of any virus that fits the description of her illness. Yesterday (July 7), Bartoli addressed rumors that she has an eating disorder by saying that she has been diagnosed with a virus that doctors have not been able to identify. The virus has made her sensitive to electrical devices, including her cellphone, and left her unable to eat anything but organic salad, the former Wimbledon champion said, according to The Guardian.

Blaming the Victim: Science Examines Why It Happens

In contrast, people who adhere more closely to values like loyalty, purity and obedience to authority are more likely to blame the victims. This difference holds after accounting for politics and demographic factors, said study researcher Laura Niemi, a postdoctoral researcher in psychology at Harvard University in Massachusetts. It's also equally true both for sex crimes, in which problems in securing convictions are often traced to victim blaming, and for crimes of a nonsexual nature.

Brain Zapping May Sharpen Vision

In the study, researchers used a mild electrical current to stimulate an area of people's brains that processes visual information. The people either had normal vision, or had some minor vision problems and wore glasses or contacts during the experiments in the study. The people who showed the most improvement in their vision were those who had the worst vision problems, the researchers said.

Raw Food Warning: Why Uncooked Flour Can Make You Sick

The Food and Drug Administration recently made a perhaps surprising recommendation: Don't eat raw flour. The FDA tracked the outbreak to a batch of General Mills flour sold under the brand names Gold Medal, Gold Medal Wondra and Signature Kitchens, triggering a recall. Most people who read the recommendation probably already knew they weren't supposed to eat cookie dough because of the raw eggs in it (though people don?t always do what they?re supposed to do).

Stingray Robot Uses Light-Activated Rat Cells to Swim

A new robot stingray can swim with help from an unexpected source: muscle cells that were taken from rat hearts, a new study finds. Understanding how to build machines from heart cells could lead to scientists being able to build entire living artificial hearts from muscle cells that would act more like natural hearts, the researchers said.

Hidden Fault Could Trigger Cataclysmic Megaquake in Asia

A massive fault could trigger a cataclysmic earthquake beneath Bangladesh, parts of east India and Myanmar, new research suggests. The hidden fault, which has been buried under miles of river sediment, could release an earthquake of magnitude 8.2 to 9.0 in one of the most densely populated regions of the world, the study found. "We don't know if it's tomorrow or if it's not going to be for another 500 years," said study co-author Michael Steckler, a geophysicist at the Lamont-Doherty Earth Observatory at Columbia University in New York City.

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Saturday, July 9, 2016

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'Bomb Robot' Kills Dallas Shooter: How Police Did It

A suspect in yesterday's (July 7) Dallas shooting — during which five police officers were killed and seven officers were injured — died after police deployed a remote-controlled bomb-disposal robot carrying an explosive device. Dallas Police Chief David Brown explained during a press conference that police sent the robot in after negotiations with the suspect broke down and he exchanged gunfire with officers.

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Friday, July 8, 2016

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Astronomers spy giant planet, three stars in odd celestial ballet

With three stars in the system, the massive planet would experience triple sunrises and triple sunsets during one season and all daylight in another. Since the planet's orbit is very long, each season lasts for hundreds of years. "Depending on which season you were born in, you may never know what nighttime is like," lead researcher Kevin Wagner of the University of Arizona said.

Nightmarish Find: Giant, Venomous Centipede Is a Powerful Swimmer

A giant, toothy centipede with countless legs is also a swimming fiend, making it the first known aquatic centipede on record. George Beccaloni, a curator of orthopteroids at the Natural History Museum in London, discovered the critter while honeymooning in Thailand in 2001, according to National Geographic. As soon as he lifted the rock, a giant centipede skittered out and escaped into the stream, where it hid under a rock.

Secret to Swordfish's Speedy Swimming Found

Luckily, the study's lead author, John Videler, a biologist and professor at Groningen University in the Netherlands, had scanned a pair of adult swordfish in 1996 and 1997 using magnetic resonance imaging (MRI). Oil-slick skin would be more water-resistant.

500-Million-Year-Old 'Seaweed' Was Actually Home to Tiny Worms

Researchers have known about the ancient worm Oesia (oh-EEZ-yah) since 1911, according to study co-author Simon Conway Morris, a professor of paleobiology at the University of Cambridge in the United Kingdom. All rights reserved.

Artificial Intelligence Could Help Catch Alzheimer's Early

The devastating neurodegenerative condition Alzheimer's disease is incurable, but with early detection, patients can seek treatments to slow the disease's progression, before some major symptoms appear. Now, by applying artificial intelligence algorithms to MRI brain scans, researchers have developed a way to automatically distinguish between patients with Alzheimer's and two early forms of dementia that can be precursors to the memory-robbing disease. The researchers, from the VU University Medical Center in Amsterdam, suggest the approach could eventually allow automated screening and assisted diagnosis of various forms of dementia, particularly in centers that lack experienced neuroradiologists. "The potential is the possibility of screening with these techniques so people at risk can be intercepted before the disease becomes apparent," said Alle Meije Wink, a senior investigator in the center's radiology and nuclear medicine department.

Mudskipper Robot Mimics Ancient Land Animals' First 'Steps'

A robot modeled after the mudskipper fish that "walks" short distances over rocks and mud is helping scientists understand how animals moved millions of years ago, when they first emerged from the water and transitioned to walk on land. A muscular tail in the earliest land animals may have played a more important role in their locomotion than previously thought.

Wakey Wakey! Juno Spacecraft Turns on Science Gear at Jupiter

NASA's Juno spacecraft is opening its eyes to prepare for its first good look at Jupiter. Juno's nine science instruments were off when the probe entered orbit around the solar system's largest planet Monday (July 4), to reduce complications during that night's make-or-break orbit-insertion engine burn. The mission team powered up five of those instruments Wednesday (July 6) and plans to turn on the other four before the end of the month, NASA officials said.

In first, scientists use phones to track dengue outbreaks in poor nations

By Sebastien Malo NEW YORK (Thomson Reuters Foundation) - Researchers have developed a new method to pinpoint outbreaks of dengue fever by tracking phone calls to public health hotlines, a team of scientists said on Friday. Analyzing patterns of calls in Pakistan's Punjab region, the researchers forecast suspected dengue cases up to two weeks ahead of time with block-by-block accuracy, the researchers said in a study published in the journal Science Advances. Dengue infections have increased dramatically over recent decades, making the virus the world's fastest-spreading tropical disease, according to the World Health Organization (WHO).

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