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Two astronauts from the International Space Station have started their spacewalk to install the new International Docking Adapter.…
James Nasmyth Scientist of the Day
James Hall Nasmyth, a Scottish engineer and inventor, was born Aug. 19, 1808.
Ten years ago, a confusing encounter changed Helen Macdonald's understanding of the connection between humans and the natural world
It was the autumn of 2006 in Uzbekistan, a few months before my father died. I'd driven with a group of other fieldworkers in a Russian jeep down to the banks of the Syrdarya river in Andijan province. Once we'd pitched our tents, I went for a stroll in the hot, blank forest sunlight. It was very still and quiet. My feet crunched on salt-crusted mud and across leaf litter sparking with grasshoppers and sinuous silver lizards. After a mile or so, I found myself in an open clearing and looked up. And that is when I thought I saw a man standing in a tree. That's what my brain told me, momentarily. A man in a long overcoat leaning slightly to one side. And then I saw it wasn't a man, but a goshawk.
Moments like this are very illuminating. Despite my lifelong obsession with birds of prey, I'd never thought before, much, about the actual phenomenology of human-hawk resemblance, which must have brought forth all those mythological hawk-human bonds I've studied for so long. Back in the early 2000s, I had been working on my doctoral dissertation in natural history at the University of Cambridge, but I never finished it. I wrote a book about falcons instead. I recounted tales that didn't fit in my PhD of the mafia threatening to drive a falconer out of New York City because his falcon was a threat to their pigeon-flying activities, stories of fan dancers, jet pilots, astronauts and the diplomatic shenanigans of early modern royalty. But everything I'd written about this strange symbolic connection between birds of prey and human souls felt as if it had a different kind of truth, now, one forged of things other than books. I looked up at a hawk in a tree, but I saw a man. How curious.
Related: Costa biography award 2014: H is for Hawk by Helen Macdonald
Continue reading...Researchers find that long waiting times for surgery are not associated with worse health outcomes for patients. The study involved patients waiting for surgery in England.
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Sunflowers near the University of California, Davis, campus. Plant biologists have now discovered how sunflowers use their internal circadian clock, acting on growth hormones, to follow the sun during the day as they grow. Growing sunflowers begin the day with their heads facing east, swing west through the day, and turn back to the east at night.
Image credit: Chris Nicolini, UC Davis
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University of Washington researchers have introduced a new way of communicating that allows devices such as brain implants, contact lenses, credit cards and smaller wearable electronics to talk to everyday devices such as smartphones and watches. This new “interscatter communication” works by converting Bluetooth signals into Wi-Fi transmissions over the air. Using only reflections, an interscatter device such as a smart contact lens converts Bluetooth signals from a smartwatch, for example, into Wi-Fi transmissions that can be picked up by a smartphone.
Image credit: Mark Stone/University of Washington
Raphael's The Transfiguration is a depiction of epilepsy that pulls no punches: a lofted Christ soars on an illuminated cloud, while a boy with rolling eyes and flailing limbs is supported by his father. Raphael's painting is a reference to the Gospel of Mark, chapter nine, in which Jesus descends from transfiguration to cure a boy of the “foul spirit” causing his seizures. “Epilepsy” is a Greek word, meaning “to be seized upon”, and the illness has long been viewed as evidence of connection between human and spiritual realms. The earliest Greek medical writings by Hippocrates are half a millennium older than the gospels, and though they call epilepsy “the sacred disease” they offer a more humane portrait of the condition: “I do not believe that the ‘sacred disease' is any more divine or sacred than any other disease,” Hippocrates wrote. “Because it is completely different from other diseases, it has been regarded as a divine visitation by those who, being only human, view it with ignorance and astonishment.”
Grant's survey of the western history of epilepsy offers ample evidence of humanity's persecution of what it fears
Continue reading...Truman is placed, without his knowledge, in a contrived environment so that his "life" can be broadcast on television. Truman comes across clues that something is wrong. In The Matrix, where everything is running as programmed by the machines, there is no possible way for the "people" in the matrix to determine that the world as experienced is only a "dream world" and not the real world (the world of causes and effects). The Truman Show is a depiction of a case of ordinary incredulity because there is some evidence that is, in principle, available to Truman for determining what's really the case; whereas The Matrix depicts a situation similar to that imagined by a typical philosophical skeptic in which it is not possible for the Matrix-bound characters to obtain evidence for determining that things are not as they seem (whenever the virtual reality is perfectly created). Put another way, the philosophical skeptic challenges our ordinary assumption that there is evidence available that can help us to discriminate between the real world and some counterfeit world that appears in all ways to be identical to the real world.
-- This feed and its contents are the property of The Huffington Post, and use is subject to our terms. It may be used for personal consumption, but may not be distributed on a website.
-- This feed and its contents are the property of The Huffington Post, and use is subject to our terms. It may be used for personal consumption, but may not be distributed on a website.