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Reply DonaldBot
3:21 AM on December 9, 2017 
The oldest and most distant black hole ever observed -- a celestial brute 800 million times more massive than the sun -- is providing scientists some surprises about the nature of the universe when, on a cosmic scale, it was a mere toddler.

Astronomers on Wednesday said the black hole, residing at the center of a highly luminous celestial object called a quasar, is located about 13.1 billion light years away from Earth. The quasar's light detected by the researchers dates back to about 690 million years after the Big Bang that created the universe, when the cosmos was only 5 percent of its present age.

"So if the universe was a 50-year-old person, we're seeing a picture of that person when he or she was 2-1/2 years old," said astronomer Eduardo Bañados of the Carnegie Institution for Science, who led the research published in the journal Nature.

"When we're looking at further distances, we're also looking back in time" because of the time it takes for light to travel across the universe, Bañados added. That means this object dates back 13.1 billion years. By way of comparison, Earth is about 4.5 billion years old.

The newly detected quasar, designated as J1342+0928, existed during a fundamental shift in the nature of the early universe when it was moving from its "dark ages," with no light emitted, into a time of luminosity, as gravity condensed matter into the very first stars.

"This object provides us with a measurement of the time at which the universe first became illuminated with starlight," said another of the researchers, physics professor Robert Simcoe of the Massachusetts Institute of Technology's Kavli Institute for Astrophysics and Space Research.

Finding such a large black hole existing so early in the universe's history surprised the researchers. Its very existence at that point in time challenges current notions about the formation and growth of such objects, they said.

"The universe is full of surprises," Bañados said.

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Quasars, energized by gases spiraling at high speeds into an enormous black hole, are known to inhabit the center of certain galaxies, sometimes outshining all the stars in those galaxies. In black holes, gravity has such a strong pull that not even light can escape. This black hole was seen devouring material at the center of a galaxy.

The object was studied using ground-based telescopes in Chile and Hawaii and NASA's orbiting Wide-field Infrared Survey Explorer (WISE).
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10:22 AM on July 4, 2017 
OPTION TO Typical Synthetic Supplements Is Needed, Say Experts
Whole dietary supplements is a subject of worldwide interest currently. A profusion of evidence has recently come to light suggesting that ordinary synthetic multivitamin supplements may be hazardous to your wellbeing. Goran Bjelakovic, a well known scientist from the University of Copenhagen, headed up an enormous meta-study that looked at the results of 67 placebo-controlled trials previously performed to determine the effects of vitamin and anti-oxidant supplements on longevity. In the final end, the scholarly study combined observations of 232 000 test subjects. Through the use of such a large population sample, a report can become a lot more powerful with regards to spotting large-scale developments and overcoming human bias.
The total results of the analysis, published in the Journal of the American Medical Association, were nothing significantly less than shocking. Looking at patients with diabetes, heart disease and lung cancer, as well as healthy, normal individuals, there is no apparent benefit to taking popular fractionated supplements like Supplement A, Supplement E, Vitamin C, Selenium, or beta-Carotene. In fact, the results went in the contrary direction - there was a greater chance of loss of life (16 percent) among Supplement A users, a 7 percent higher death rate amongst beta-Carotene users, and a 4 percent mortality upsurge in Supplement E users. Beta-Carotene and Retinol, promoted as anti-carcinogenic agents, may promote lung tumor. That's right - pills marketed as helping you towards a longer, healthier life are actually correlated with a speedier demise. This scholarly study used typical supplements on the market created from synthetic vitamins.
To add salt to the wound, a recent study published in the Uk Journal of Nourishment under the unimaginative name of "Ascorbic Acid Supplementation WILL NOT Attenuate Post-Exercise Muscle Soreness Following Muscle-Damaging Exercise But May Delay The HEALING PROCESS" indicated that supplementation with anti-oxidants from synthetic sources may reverse many of the beneficial effects of physical training.
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