1 +14y+ ago
Social scientists dismiss them, but rather than being universally inaccurate, stereotypes are often grounded in reality. There are good reasons for the bad reputation of stereotypes, which may give rise to malevolent propaganda about groups: disproportionate media representations of African-Americans as criminals, women as fit for nothing but child-rearing and homemaking, Arabs and Muslims as nothing but bloodthirsty terrorists, Jews as grasping hook-nosed Nazis perpetrating genocide on innocent Palestinian babies. Such characterisations are inaccurate, immoral and repulsive, to say the least.
Submitted on August 16th 2016 by drunkenninja
2 +14y+ ago
It’s rare that a long, technical paper in a biology journal turns out to be a page-turner. But it happens. A team of researchers published a thorough review of the science of why we age this week in the journal Cell. It ties together that still-young field’s confusing, sometimes contradictory findings into a single coherent whole and offers the most complete explanation I’ve seen anywhere as to why human beings get old, as well as what we can do to slow the ageing process.
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NASA’s Cassini spacecraft has found deep, steep-sided canyons on Saturn’s moon Titan that are flooded with liquid hydrocarbons. The finding represents the first direct evidence of the presence of liquid-filled channels on Titan, as well as the first observation of canyons hundreds of meters deep.
1. Deep, Flooded Canyons Found on Saturn's Moon Titan (Video) Added by drunkenninja on August 14th 2016.
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The hunt for exoplanets has been heating up in recent years. Since it began its mission in 2009, over four thousand exoplanet candidates have been discovered by the Kepler mission, several hundred of which have been confirmed to be “Earth-like” (i.e. terrestrial). And of these, some 216 planets have been shown to be both terrestrial and located within their parent star’s habitable zone (aka. “Goldilocks zone”).
Submitted on August 15th 2016 by sasky
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Research has now demonstrated that meditation builds brain cells and increases gray matter in the brain. Using magnetic imaging (MRI), Harvard researchers found that meditation produced physiological changes in the brain’s gray matter. Some areas in the brains of the study participants thickened after only eight weeks of mindfulness practice. The research was published in 2011 and represented the first time that physical changes to the brain caused by mediation were documented.
Submitted on August 18th 2016 by TNY
11 +14y+ ago
Public opinion is divided when it comes to the pleasure of eating oysters and other sea creatures that stare boldly back at you while you eat them. Like Marmite®, you either love it or you hate it.Now, researchers at the University of California, Davis have added an extra level of complexity to this debate by showing that the seafood we eat regularly contains man-made rubbish that has made it out to sea.
Submitted on August 14th 2016 by swift528491
12 +14y+ ago
13 +14y+ ago
A few months ago there was a theory proposed in the astronomy community that surmised that we humans might be too late for alien life. The theory pretty much stated that alien life is already extinct and we are all that was left of life in the universe. Just like every study about drinking a glass of wine before bed or snorting raw eggs; a new theory proposes that we’re not staggering into the party late with warm beer, but we’re super early, playing guitar in the stairwell to an audience of zero.
Submitted on August 15th 2016 by canuck
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Alex Honnold has his own verb. “To honnold”—usually written as “honnolding”—is to stand in some high, precarious place with your back to the wall, looking straight into the abyss. To face fear, literally. The verb was inspired by photographs of Honnold in precisely that position on Thank God Ledge, located 1,800 feet off the deck in Yosemite National Park. Honnold side-shuffled across this narrow sill of stone, heels to the wall, toes touching the void, when, in 2008, he became the first rock climber ever to scale the sheer granite face of Half Dome alone and without a rope.
Submitted on August 13th 2016 by gottlieb
17 +14y+ ago
18 +14y+ ago
The U.K. government on Tuesday approved phase two of the world’s largest wind farm, adding 300 turbines to a project 55 miles off England’s shore, in the North Sea. The Hornsea Two project will provide 1.8 gigawatts of generating power, in addition to the first phase’s 1.2 gigawatts. In all, the 3 gigawatts provided by Hornsea is enough to power 2.5 million average (U.S.) households. At that size, the combined project is roughly equivalent to a nuclear power plant.
Submitted on August 18th 2016 by grandsalami
19 +14y+ ago
It’s been a while since news broke in early 2015 that Uber was working on self-driving cars. Earlier this year, the company openly admitted it was testing cars in Pittsburgh, but we haven’t heard much more over the last 18 months. With Google, the self-driving car leader, slowly making progress with its autonomous cars, you’d be forgiven for thinking Uber’s efforts are far behind and barely visible in its frenemy‘s rearview mirror. Well think again!
Submitted on August 18th 2016 by drunkenninja
20 +14y+ ago
Since the discovery of Ötzi the Iceman in a European glacier in 1991, scientists have recovered a wealth of information from his 5,300-year-old mummified remains: The brown-eyed, gap-toothed, tattooed man most likely spent his 40-odd years farming and herding, and was probably suffering from a painful stomach ache at the time that he died a quick—albeit violent—death in the Öztal Alps. After 25 years of extensive scientific research and media coverage, the Neolithic Iceman has certainly secured his place as "Europe's Oldest Celebrity."
Submitted on August 18th 2016 by Pfennig88
Here are this week's top five Science & Space tribes:
/t/science 164 posts, 39 comments, 739 votes.
/t/research 196 posts, 74 comments, 836 votes.
/t/neuroscience 50 posts, 49 comments, 292 votes.
/t/futurism 26 posts, 40 comments, 294 votes.
/t/aging 26 posts, 6 comments, 104 votes.
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