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Today's Highlights
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Today's news headlines from the sources selected by our team:

What Caused Mexico's 2 Major Earthquakes in 2 Weeks?
It's possible the quakes happened independently of each other.
Live Science, Fri, 22 Sep 2017 23:14:45 GMT

There's Meth-Laced 7Up in Mexico
Reports of methamphetamine-laced 7Up in Mexico have prompted Arizona health officials to warn travelers about the potential contamination, according to news reports.
Live Science, Fri, 22 Sep 2017 23:14:45 GMT

Hydrogen Bomb vs. Atomic Bomb: What's the Difference?
North Korea is threatening to test a hydrogen bomb, a weapon more powerful than the atomic bombs that devastated the Japanese cities of Nagasaki and Hiroshima during World War II. Here's how they differ.
Live Science, Fri, 22 Sep 2017 23:14:45 GMT

Big Antarctic iceberg edges out to sea
The near-6,000 sq km block of ice known as A-68 looks finally to be on the move.
BBC News - Science & Environment, Fri, 22 Sep 2017 23:32:33 GMT

Neanderthal brains 'grew more slowly'
A new study shows that Neanderthal brains developed more slowly than ours.
BBC News - Science & Environment, Fri, 22 Sep 2017 23:32:33 GMT

Plant-eating dinosaurs 'strayed from veggie diet'
The idea of plant-eating dinosaurs having a strict vegetarian diet is called into question.
BBC News - Science & Environment, Fri, 22 Sep 2017 23:32:33 GMT

Ultra-High-Energy Cosmic Rays Have Extragalactic Origins
For the first time, astrophysicists have confirmed that cosmic rays with ultra-high energies come from outside our Milky Way Galaxy. Cosmic rays are atomic nuclei arriving from outer space that can reach the highest energies (exa-electronvolt) observed in nature. Low-energy cosmic rays come from the Sun or from our own Galaxy, but the origin of [...]
Breaking Science News | Sci-News.com, Fri, 22 Sep 2017 23:14:45 GMT

Study: Earliest Trilobites Had Stomachs
Exceptionally well-preserved trilobite fossils from the Cambrian Wulongqing Formation near Guangwei Village in southern Kunming, the capital city of Yunnan Province of China, contradict previous assumptions about trilobite digestive systems. Trilobites are a group of extinct marine arthropods that form the class Trilobita. They appeared in ancient oceans in the Early Cambrian Period, about 540 [...]
Breaking Science News | Sci-News.com, Fri, 22 Sep 2017 23:14:45 GMT

Dawn Data Provide New Evidence for Ground Ice on Asteroid Vesta
Using data from NASA’s Dawn spacecraft, researchers have found new evidence for the occurrence of ground ice on Vesta, the second largest asteroid of the asteroid main belt. Discovered by Heinrich Wilhelm Olbers on March 29, 1807, Vesta is the only main-belt asteroid visible to the unaided eye. It rotates once in 5.34 hours, orbits [...]
Breaking Science News | Sci-News.com, Fri, 22 Sep 2017 23:14:45 GMT

Yoga may have health benefits for people with chronic non-specific lower back pain
A new systematic review, published in the Cochrane Library today, suggests that yoga may lead to a reduction in pain and functional ability in people with chronic non-specific lower back pain over the short term, compared with no exercise. However, researchers advise that more studies are needed to provide information on long-term effects.
Medical Xpress - latest medical and health news stories, Thu, 12 Jan 2017 10:57:33 GMT

Study first to connect stress-associated brain activity with cardiovascular risk
A study led by Massachusetts General Hospital (MGH) and Icahn School of Medicine at Mount Sinai (ISSMS) investigators has linked, for the first time in humans, activity in a stress-sensitive structure within the brain to the risk of subsequent cardiovascular disease. The team's findings, being published in the journal The Lancet, also reveals a pathway leading from activation of that structure—the amygdala—through elevated immune system activity to an increased incidence of cardiovascular events.
Medical Xpress - latest medical and health news stories, Thu, 12 Jan 2017 10:57:33 GMT

Study explains how western diet leads to overeating and obesity
More than two in three adults in the United States are considered overweight or obese, with substantial biomedical and clinical evidence suggesting that chronic overconsumption of a "western diet" - foods consisting high levels of sugars and fats - is a major cause of this epidemic.
Medical Xpress - latest medical and health news stories, Thu, 12 Jan 2017 10:57:33 GMT

NASA'S OSIRIS-REx spacecraft slingshots past Earth
NASA's asteroid sample return spacecraft successfully used Earth's gravity on Friday to slingshot itself on a path toward the asteroid Bennu, for a rendezvous next August.
Latest Science News -- ScienceDaily, Fri, 22 Sep 2017 23:14:45 GMT

Mechanism that underlies age-associated bone loss
A major health problem in older people is age-associated osteoporosis -- the thinning of bone and the loss of bone density that increases the risk of fractures. Researchers have now detailed an underlying mechanism leading to that osteoporosis. When this mechanism malfunctions, progenitor cells stop creating bone-producing cells, and instead create fat cells. Knowledge of this mechanism can provide targets in the search for novel bone-loss.
Latest Science News -- ScienceDaily, Fri, 22 Sep 2017 23:14:45 GMT

Two Group A Streptococcus genes linked to 'flesh-eating' bacterial infections
Group A Streptococcus bacteria cause illnesses ranging from mild nuisances like strep throat to life-threatening conditions such as flesh-eating disease, also known as necrotizing fasciitis. Life-threatening infections occur when the bacteria spread underneath the surface of the skin or throat and invade the underlying soft tissue. Researchers have found two group A Streptococcus genes involved in invasive infections, which may be potential targets for therapeutics.
Latest Science News -- ScienceDaily, Fri, 22 Sep 2017 23:14:45 GMT

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