The Most Sleep Deprived Students in the World

Who *yawn* are the most sleep deprived students in the world? Students from the United States, according to new research by Chad Minnich of Boston College: “I think we underestimate the impact of sleep. Our data show that across countries internationally, on average, children who have more sleep achieve higher in maths, science and reading. That is exactly what our data show,” says Chad Minnich, of the TIMSS and PIRLS International Study Center. “It’s the same link for children who are lacking basic nutrition,” says Mr Minnich, based at the Lynch School of Education, Boston College. But what about those Asian students who study all the time? Asian countries are the highest-performing in maths tests – and Mr Minnich says this has often been associated with long hours and cramming in after-school classes. “One would assume that they would be extremely tired,” he said. “And yet when we look at the sleep factor for them, they don’t necessarily seem to be suffering from as much sleep deprivation as the other countries.” Minnich placed the blame on smartphones and laptops. Sean Coughlan of the BBC has more: Link

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The Most Sleep Deprived Students in the World

Prisoner of Technology

Feel trapped by technology? In a print campaign for Go Outside magazine, Brazilian designer Felipe Luchi imagined our beloved gadgets as physical prisons: Link (Bonus: if you look closely, you’ll see that there are ways to escape from these prisons) – via Twisted Sifter

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Prisoner of Technology

The Curious Case of the Nonexistent Turtle

With all the stories about “de-extinction” of animal species lately, there’s one method that doesn’t get much notice -when scientists decide that an extinct species never existed in the first place. That applies to the case of Pelusios seychellensis , which, according to specimens collected by German naturalist August Brauer over 100 years ago, lived in the Seychelles off the east coast of Africa. Curiously, these turtles closely resembled turtles on the west coast of Africa, Pelusios castaneus . But they couldn’t be the same, because they lived so far apart. So the separate species name was coined in 1983. But even more curious, no one could find any specimens of Pelusios seychellensis in the Seychelles, and scientists concluded that the species had gone extinct during the 20th century. Not only that, they assumed that humans had caused the extinction. But wait… Brauer took the trip during which he was supposed to have collected the turtles between May 1895 to January 1896. But he didn’t immediately give his finds to a museum. Specimens from his private collection didn’t get transferred to the Zoological Museum Hamburg until five years after the Seychelles trip, and those turtles soon went on to Vienna’s Natural History Museum. Somewhere in all that shuffling, the west African turtles might have been lumped in with the Seychelles reptiles or otherwise confused. Whatever happened, though, a prominent clue indicates that the turtles were not collected from the wild. One, and possibly two, of the turtles have a perforation through their shells identical to the sort that turtle purveyors have traditionally used to tie turtles together until they are sold for food. Wherever Brauer got the turtles from, he seems to have purchased them. Oops. On the bright side, this means that humans did not cause the extinction of a turtle species, because Pelusios castaneus is still around -on Africa’s west coast. Read the saga of the disappearing turtles at Laelaps. Link   -via Not Exactly Rocket Science (Image credit: Stuckas et al., 2013)

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The Curious Case of the Nonexistent Turtle

Icefish Bleeds Clear Blood

The ocellated icefish you see above has a very unique blood: it’s totally transparent. Discovery News tells us: The reason, say experts at Tokyo Sea Life Park, is that the Ocellated Ice Fish has no hemoglobin, making it unique among vertebrates the world over. Hemoglobin is the protein found in every other animal with bones. It is what makes blood red and is the agent that carries oxygen around the body. Researchers believe the fish can live without hemoglobin because it has a large heart and uses blood plasma to circulate oxygen throughout its body. Link

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Icefish Bleeds Clear Blood

Google Maps Features Treasure Map for April Fools’ Day

Before his execution, the infamous pirate Captain Kidd claimed to have hidden 200 bars of gold somewhere in the world. Google has embedded his elaborate coded treasure map into Google Maps. You’ll have to use various tricks, such as applying heat to the image, to reveal the hidden symbols. Now let’s go get rich! ( Video Link )  Link -via @eruditechick

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Google Maps Features Treasure Map for April Fools’ Day

How China Becomes Smarter: Through Education and Genetic Engineering

First, China decided to become a manufacturing giant, then an economic and military superpower. So you shouldn’t be surprised that their next plan is to improve the actual Chinese people themselves. They’re doing this two ways: the first is not controversial. China is massively investing in education. Keith Bradsher of The New York Times wrote : China is making a $250 billion-a-year investment in what economists call human capital. Just as the United States helped build a white-collar middle class in the late 1940s and early 1950s by using the G.I. Bill to help educate millions of World War II veterans, the Chinese government is using large subsidies to educate tens of millions of young people as they move from farms to cities. Source: UNESCO (degrees, enrollment); China finance ministry via CEIC Data (Spending) Chart: The New York Times And it seems to be working (though as some people pointed out, quantity isn’t the same as quality – and that, similar to United States and Europe, China is already facing a glut of educated college graduates who can’t find jobs). Again, from Bradsher’s article : Sheer numbers make the educational push by China, a nation of more than 1.3 billion people, potentially breathtaking. In the last decade, China doubled the number of colleges and universities, to 2,409. As recently as 1996, only one in six Chinese 17-year-olds graduated from high school. That was the same proportion as in the United States in 1919. Now, three in five young Chinese graduate from high school, matching the United States in the mid-1950s. China is on track to match within seven years the United States’ current high school graduation rate for 18-year-olds of 75 percent — although a higher proportion of Americans than Chinese later go back and finish high school. By quadrupling its output of college graduates in the past decade, China now produces eight million graduates a year from universities and community colleges. By the end of the decade, China expects to have nearly 195 million community college and university graduates — compared with no more than 120 million in the United States then. The second method is more controversial. According to this article by Aleks Eror published in VICE, China is working on making its people more intelligent by genetic-engineering: At BGI Shenzhen , scientists have collected DNA samples from 2,000 of the world’s smartest people and are sequencing their entire genomes in an attempt to identify the alleles which determine human intelligence. Apparently they’re not far from finding them, and when they do, embryo screening will allow parents to pick their brightest zygote and potentially bump up every generation’s intelligence by five to 15 IQ points. Eror interviewed evolutionary psychologist Geoffrey Miller who said that smart people were being recruited, through scientific conference and word of mouth, to contribute their genetic material to be sequenced so the genes for intelligence can be identified (and later on, used to determine the intelligence potential of embryos). What does that mean in human language? Any given couple could potentially have several eggs fertilized in the lab with the dad’s sperm and the mom’s eggs. Then you can test multiple embryos and analyze which one’s going to be the smartest. That kid would belong to that couple as if they had it naturally, but it would be the smartest a couple would be able to produce if they had 100 kids. It’s not genetic engineering or adding new genes, it’s the genes that couples already have. And over the course of several generations you’re able to exponentially multiply the population’s intelligence. Right. Even if it only boosts the average kid by five IQ points, that’s a huge difference in terms of economic productivity, the competitiveness of the country, how many patents they get, how their businesses are run, and how innovative their economy is. (Top image: Shutterstock )

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How China Becomes Smarter: Through Education and Genetic Engineering

Higgs Boson is Now Official!

There it is! Where’s Higgs Boson T-Shirt by Mike Jacobsen | More Higgs boson T-Shirts After the big announcement last year, physicists have made it official. They have indeed found the Higgs boson: Physicists announced on July 4, 2012, that, with more than 99 percent certainty, they had found a new elementary particle weighing about 126 times the mass of the proton that was likely the long-sought Higgs boson. The Higgs is sometimes referred to as the “God particle,” to the chagrin of many scientists, who prefer its official name. But the two experiments, CMS and ATLAS, hadn’t collected enough data to say the particle was, for sure, the Higgs boson, the last undiscovered piece of the puzzle predicted by the Standard Model, the reigning theory of particle physics. Now, after collecting two and a half times more data inside the Large Hadron Collider (LHC) — where protons zip at near light-speed around the 17-mile-long (27 kilometer) underground ring beneath Switzerland and France — physicists say the particle is a Higgs. Jeanna Bryner of LiveScience has the full story: Link

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Higgs Boson is Now Official!

7 Weird and Wonderful Facts About the Wizard of Oz Books

The new movie Oz the Great and Powerful opens today in theaters nationwide. The backstory of the wizard is loosely based on the L. Frank Baum book The Wonderful Wizard of Oz . Baum went on to write 14 more books about Oz, because the public kept demanding more. An interesting fact I didn’t know -one of his granddaughters was named after an Oz character!   Baum had a granddaughter named “Ozma,” and his 11th Oz book, The Lost Princess of Oz (published 1917), was dedicated to her shortly after her birth. The story begins with the disappearance of Princess Ozma, the ruler of Oz.    Read more interesting facts about Baumm’s Oz books and see artwork from all of them at Tres Sugar. Link   -via Holy Kaw!

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7 Weird and Wonderful Facts About the Wizard of Oz Books

Circular Beam of Electrons

Beam of electrons moving in a circle, due to the presence of a magnetic field. Purple light is emitted along the electron path, due to the electrons colliding with gas molecules in the bulb. (Photo: Marcin Bialek ) Oh, how I love you guys. In our recent post A Fiery Dance on the Sun , Neatoramanaut PlasmaGryphon kindly took the time to explain to us the physics behind solar flares. In the explanation , there was a link to Wikipedia article on Lorentz force , where I found this fascinating image of a circular beam of electrons in a Teltron tube . Neat, huh? ( Thanks PlasmaGryphon! )

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Circular Beam of Electrons