One of the more famous images in biology is known as "Photo 51," an image of DNA that chemist Rosalind Franklin and Raymond Gosling created in 1952 by shooting X-rays through fibers of DNA and analyzing the patterns they left behind on film.
X-ray diffraction image of the double helix structure of the DNA molecule, taken in 1952. The image, famously known as "Photo 51," led to greater understanding of DNA and gave rise to the field of molecular biology. Image by Raymond Gosling/King's College London
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The population of the Amur tiger in Russia has increased to as many as 540 individuals over the last ten years, according to figures released by the Russian government.
“I am pleased to see that the number of Amur tigers in Russia has increased in all the key areas where WWF has been working for many years,” said Igor Chestin, Head of WWF-Russia. “This success is due to the commitment of Russia’s political leadership and the tireless dedication of rangers and conservationists in very difficult conditions.”
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As a landlord, you have a lot on your plate. Your job’s all about making the tenant happy, even if that means watching money go down the drain. But what if it were possible to keep the tenant happy while saving money? This can be accomplished by going green.
Finding ways to integrate eco-friendly features into your rental units will save you money, help the environment, and attract high-end tenants. Conserving the environment is currently a popular trend, and the best of tenants are both socially and financially responsible. In order to attract better tenants and reduce your carbon footprint, use these tips for making your rental property more environmentally accountable.
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Drinking unclean water seems like a problem you’d hear about it in the developing world, not the United States. Believe it or not, though, one-third of Americans receive water that is unregulated by the Clean Water Act. That’s a lot of people who are potentially drinking tainted water. Fortunately, all that is about to change with the EPA’s new Waters of the United States rule, which was announced on Wednesday. Altogether, the EPA now has the authority to safeguard 20 million acres of wetlands and two million miles of streams (that accounts for 60 percent of America’s streams) that were previously discounted by the Clean Water Act.
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A glass of seawater is teeming with life, and recent research reveals more about what ocean water contains. Microscopic creatures in the world's oceans weigh more than all of the fish in the sea and produce about half of Earth's oxygen.
Yet the ecology of marine microbes, which are crucial for everything from absorbing carbon dioxide from the air to regulating the productivity of major fisheries, are only beginning to be understood.
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No one knows what's killing them, but scientists estimate that almost half of the world's saiga (Saiga tatarica) have perished since May 10th. To date, researchers on-the-ground unofficially estimate that 120,000 saiga have died in Kazakhstan from what appears to be a wildly virulent disease, although no cause has been ruled out. Saiga are bizarre-looking, Ice Age antelopes that once roamed Central Asia in the millions, but are now listed as Critically Endangered.
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The airline sector is trying to lessen its carbon footprint. In mid-June, the Paris Air Show will host the COP21 seen from the sky conference. Boeing and Airbus are concentrating their commercial efforts on the environment, which is now a selling point. “CO2 affects our ability to grow," said Jonathon Counsell, Head of Environment for British Airways, during a day dedicated to the environment organised by Airbus at its Toulouse site. Airlines make up 2% of worldwide CO2 emissions. But the doubling of passengers every 15 years has made it a growing source of greenhouse gases.
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In what they believe to be the first survey of its kind in the United States, researchers at NYU Langone Medical Center have found that as many as 6 percent of adult New Yorkers who get "inked" -- in other words, those who get a tattoo -- have experienced some form of tattoo-related rash, severe itching or swelling that lasted longer than four months and, in some cases, for many years.
"We were rather alarmed at the high rate of reported chronic complications tied to getting a tattoo," says senior study investigator and NYU Langone dermatologist Marie Leger, MD, PhD, whose team's latest findings appear in the journal Contact Dermatitis online May 27.
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