-- Seattle-based hip-hop artist's clip about his hometown Seattle. I have not even been there, but this song just seems to really capture the essence of the city. Make sure to watch it in HD, so good!

-- Dubiously SFW.

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“Astronomers have just announced the discovery of the first planet orbiting another star that is unequivocally not a gas giant: it must be a very dense, rocky-metallic object not much bigger than the Earth!

The planet, discovered by the orbiting Kepler telescope, is called Kepler-10b. The star (Kepler 10) is roughly the same mass and temperature as the Sun, and is located over 500 light years away.

The planet was detected because it passes directly between us and the star as it orbits. When it does that, it makes a mini-eclipse, blocking a bit of light from the star. By knowing how big the star is and how much light is blocked, the size of the planet can be measured (the bigger the planet, the more light is blocked). In this case, Kepler-10b is only about 1.4 times the diameter of the Earth, making it the smallest exoplanet ever found!

However, there’s more. The planet’s gravity tugs on the star as it orbits, so as the planet makes a big circle around the star, the star makes a little circle in response (I like to use the analogy of a father dancing with his small daughter; as he swings her around she makes a big circle around him and he makes a little circle, because he’s much more massive than she is). As the star moves slightly toward and away from us we can measure the change in velocity using the Doppler shift, and that in turn tells us the mass of the planet. It turns out Kepler-10b is a lot more massive than the Earth, tipping the scales at 4.6 times the Earth’s mass…”

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"Sixty years ago, the Soviet Union detonated its first nuclear weapon, nicknamed "First Lightning", at a test facility on the steppe of northeast Kazakhstan (formerly the Kazakh SSR). The test site, named the Semipalatinsk Polygon, would go on to host 456 atomic explosions over its 40-year existence. Residents in the surrounding area became unwitting guinea pigs, exposed to the aftereffects of the bombs both intentionally and unintentionally. The radiation has silently devastated three generations of people in Kazakhstan - the total number affected is thought to be more than one million - creating health problems ranging from thyroid diseases, cancer, birth defects, deformities, premature aging, and cardiovascular diseases. Life expectancy in the area is seven years less than the national average of Kazakhstan. Photographer Ed Ou has graciously shared with us these photos from the area, with thanks to the excellent Reportage by Getty Images."

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"Mike Brodie aka "The Polaroid Kidd" is a somewhat accidental documentary photographer. By photographing his friends, their homes, and lifestyles, Brodie has captured a marginalized segment of the American population that's not so prevalent in main stream society. His haunting photos of hobos, punks, and squatters criss-crossing the country in boxcars are reminiscent of Horace Bristol's Grapes of Wrath era pics that captured migrant workers on their way to California...except now with facial tattoos. They're truly amazing. Brodie recently displayed work at LA's M+B Gallery. – Andrew M. Scott."

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"Providing shelter and food for a multitude of plants and animals, coral reefs are some of the most vibrant and diverse ecosystems on the planet. Today, due to factors ranging from sunscreen-pollutedwaters to warming ocean currents, reefs are dying off at an alarming rate, leaving barren underwater deserts. Luckily, artist Jason deCaires Taylor has a clever and beautiful solution. Looking much like the Chinese terracotta army, Taylor has installed 400 life-size human figures on the Cancun sea floor. Made of marine-grade concrete, each figure acts as a growing medium for new reef. Titled “Silent Evolution,” the piece will continue to grow over centuries and will never be truly complete.

For more on this green and growing art piece and for information about visiting it by scuba, see underwatersculpture.com."

-- For more photos and video follow the link below, or the image link.

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-- I hate when people do this!!! New blog that's been getting it's 15 minutes of fame, or whatnot, about changing your mind at the supermarket.

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"Full operations will start at a U.S. mine by the end of next year.

Molycorp has secured the permits and funding needed to restart production at a mine in Mountain Pass, California, that would become the first U.S. source of rare earth elements in more than a decade. The mine is one of the world's richest deposits of these elements, which are critical for making components found in a wide range of technologies. On Tuesday, the company announced that it will partner with Hitachi Metals of Japan to turn materials from the mine into high-strength magnets, which are vital in electric vehicles, wind turbines, and many other products.

China currently has a lock on the market for rare earth materials: in 2009 it provided 95 percent of the world's supply, or 120,000 tons. This concentration of supply has become a major issue in recent months, particularly after China temporarily blocked exports of these materials to Japan in September. A Critical Materials Strategy document issued by the U.S. Department of Energy last week points to the "risk of supply disruption" in the short term. Worldwide demand for rare earth elements was 125,000 tons in 2010 and is expected to rise to 225,000 tons by 2015.

The mine is a 50-acre open pit about 50 miles outside Las Vegas, surrounded by a stark landscape of red-brown mountains, Joshua trees, and the occasional cactus. Molycorp has begun draining groundwater that seeps into the bottom of the pit and removing areas of rock called "overburden" to expose a layer of bastnäsite, a mineral rich in rare earth elements. Expansion of operations will push the mine from a depth of 500 feet to 1,000 feet in the coming years..."

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