Carissa Noblet

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APOD: Messier 20 and 21 (2014 Aug 28) Image Credit & Copyright: Lorand Fenyes http://apod.nasa.gov/apod/ap140828.html Explanation: The beautiful Trifid Nebula, also known as Messier 20, is easy to find with a small telescope in the nebula rich constellation Sagittarius. About 5,000 light-years away, the colorful study in cosmic contrasts shares this well-composed, nearly 1 degree wide field with open star cluster Messier 21 (top right). Trisected by dust lanes the Trifid itself is about 40 light-years across and a mere 300,000 years old. That makes it one of the youngest star forming regions in our sky, with newborn and embryonic stars embedded in its natal dust and gas clouds. Estimates of the distance to open star cluster M21 are similar to M20's, but though they share this gorgeous telescopic skyscape there is no apparent connection between the two. In fact, M21's stars are much older, about 8 million years old. http://apod.nasa.gov/lib/about_apod.html#srapply http://www.pleiades.hu/en/kapcsolat.php Starship Asterisk* • APOD Discussion Page http://asterisk.apod.com/discuss_apod.php?date=140828 #APOD

Mental health stigma hasn't gone away

In the Observer last Sunday, Elizabeth Day wrote an article questioning whether there was still a stigma surrounding mental illness. Her reasoning was that because there has been an outpouring of stories about depression in the wake of Robin Williams’ death, we’re all fully tuned in to the nuances …

We Are the Medieval Ones

<i>The Singularity will be upon us by 2029</i><p>The term singularity describes the moment when a civilization changes so much that its rules and technologies …

GPS Data Helped Scientists Study Sheepdogs in Action

There’s a recipe to herding sheep, according to a new study focused on sheepdogs and their behaviors.<p>A team of UK-based researchers used GPS devices …

Attempts to stop catastrophic climate change are proving futile, says UN report

Government efforts are no match for runaway greenhouse emissions<p>A draft of a new UN report seen by <i>The New York Times</i> warns that our planet is at risk of "severe, pervasive and irreversible impacts" if the world's governments don't quickly alter their course and do more to limit the emissions of …

Talking to ourselves: the science of the little voice in your head | Peter Moseley

If we want to understand what’s happening in the brain when people ‘hear voices’, we first need to understand what happens during ordinary inner speech<p>Most of us will be familiar with the experience of silently talking to ourselves in our head. Perhaps you’re at the supermarket and realise that …

An Unstoppable Killer: New Research Suggests Cancer Can't Be Eradicated

Since Richard Nixon declared war on cancer in 1971, the National Cancer Institute has poured some $90 billion into research and treatments. Yet a cure remains elusive. Experts have plenty of targets for blame, including a flawed emphasis on treatment over prevention, and Big Pharma betting on …

Dusty, dented but dependable: what has two years on Mars done to NASA's Curiosity rover?

At the end of June NASA’s Curiosity rover celebrated two years of Mars exploration, looking for evidence that the dusty red planet could ever have supported life. It's still performing its mission admirably despite the inhospitable conditions, but life on Mars has taken its toll - as these pictures …

Life Confirmed Under Antarctic Ice; Is Space Next?

Tomorrow’s edition of the journal Nature will include a paper documenting the existence of microorganisms living far beneath Antarctic ice. Special drilling and extraction techniques allowed scientists to tap into an active ecosystem half a mile below the surface of the West Antarctic Ice Sheet, …

Survey of remote Kimberley islands finds rare and unknown species

A search of two remote islands in the Kimberley has revealed previously unknown populations of threatened native species, including the northern quoll and a tree-rat.<p>An 18-day survey of Lacrosse Island and Buckle Head, as well as a mainland site adjacent to these islands, found a wide range of …

Scientists Discover Microbes in a Subglacial Antarctic Lake

The frozen desert of Antarctica is challenging enough for life — never mind conditions beneath that ice-bound mass. But NBC News reports that a …

Obama says U.S. will be 'relentless' in pursuing Islamic State

A clearly furious President Obama condemned the Islamic militants who claimed responsibility for beheading an American journalist, vowing Wednesday to beat back "this cancer" and showing no sign of constraining the U.S. military intervention in Iraq.<p>As 14 new U.S. airstrikes pounded Islamic State …

Welcome To Mars. Here's Where You'll Be Staying

In a fun competition to design a 3-D-printed Martian habitat, three designs are finalists.<p>NASA has plans to put humans on Mars in the 2030s or 2040s, and the private company Mars One is already interviewing applicants to for its one-way trip to the Red Planet. But a couple of crucial questions …

ATVs

Fellow hostage on Foley: 'Everything he could share, he would'

A French journalist, held hostage with James Foley for seven months, has been describing his time in captivity with the murdered journalist.<p>Nicolas Henin was taken hostage in Syria in June 2013.<p>He spent 10 months in captivity - seven of them with James Foley.<p>Mr Henin was eventually released in …

Syria

One third of patients in 'vegetative' states show signs of consciousness

As many as one third of patients who receive a "persistent vegetative state" diagnosis might still be conscious, reports <i>Maclean's</i>. These results, published today in <i>The Lancet</i>, carry many ethical and legal implications for how healthcare professionals and society at large regard patients who appear …

3D printed cast could heal bones 40 per cent faster

Turkish designer creates medical cast using 3D printing which could heal broken bones faster<p>A 3d printed medical cast could help bones to heal up to 40 per cent faster.<p>The black cast, known as the Osteoid, uses an ultrasound system which makes bones heal more quickly.<p>With a lattice pattern, it is …

His brain injury made him a math genius: Science explains why

<b>(Digital Storm via Shutterstock)</b><p>Scientists explain Jason Padgett’s rare syndrome, and examine the possibility that we all have dormant abilities<p>Sarah Gray<p>May 6, 2014 9:45pm (UTC)<p>In his memoir, "Struck By Genius: How a Brain Injury Made Me a Mathematical Marvel", excerpted by Salon, Jason Padgett …

Humans Evolved Weak Muscles to Feed Brain's Growth, Study Suggests

Weak muscles evolved even faster than smart brains in people.<p>We humans may be weaklings by nature.<p><b>Humans appear to have evolved puny muscles even faster than they grew big brains, according to a new metabolic study that pitted people against chimps and monkeys in contests of strength.</b><p>The upshot, …

Sleepy brains neglect half the world

Damage to certain parts of the brain can lead to a bizarre syndrome called hemispatial neglect, in which one loses awareness of one side of their body and the space around it. In extreme cases, a patient with hemispatial neglect might eat food from only one side of their plate, dress on only one …

'Life: Magnified' Shows Off the Wonders of the Cell

Immune System

Fasting for three days can regenerate entire immune system, study finds

Fasting for as little as three days can regenerate the entire immune system, even in the elderly, scientists have found in a breakthrough described as "remarkable".<p>Although fasting diets have been criticised by nutritionists for being unhealthy, new research suggests starving the body kick-starts …

Fasting is beneficial to the immune system: Study shows it triggers stem cell regeneration

Close<p>Fasting as little as eight days a year could help bodies become healthier, according to new research from the University of Southern …

New Study Uncovers Why Stress Leads To Depression In Some, But Not Others

In response to stress, some people cope easily while others succumb to depression or other mood disorders. While depression can develop from a wide variety of biological and genetic factors, stressful events are often a major trigger. But why does stress make some people develop mood disorders …

Better sleep helps older adults keep their wits

Around the world, people over 50 who get six to nine hours of sleep a night think better than those who sleep more or less.<p>The study reaffirms many …

A Neuroscientist’s Radical Theory of How Networks Become Conscious

Author: Brandon Keim. Brandon Keim Science<p>Date of Publication: 11.14.13.<p>Time of Publication: 6:30 am. 6:30 am<p>It’s a question that’s perplexed …

Weird-Yet-Wonderful Things You Never Knew About Your Body

<b>Come along as we admire the peerless beauty, elegant function and incredible capabilities of nature's greatest design marvel -- the human body.</b><p>You may not realize it, but in a mere 24 hours, you...<p>Pound Out A Rhythmic Symphony<p>Your heart thumps around 100,000 times, pumping approximately 2,000 …

Scientists figured out how shrooms open your mind

It’s one thing to say that psychedelic mushrooms "open your mind," but it’s another entirely to demonstrate its dream-like effects in a scientific study. Yet, that’s what one group of researchers appear to have achieved in a study published today in <i>Human Brain Mapping</i>.<p>these effects are akin to what …

The Human Brain Has An On-Off Switch For Consciousness, Scientists Say

Turning off the mind could be as easy as flicking a switch.<p>That's what doctors at George Washington University in Washington, D.C., inadvertently discovered while evaluating a 54-year-old woman with epilepsy. The researchers realized that by using electrodes to deliver tiny jolts of electricity to …