National Geographic : 2013 Jun
NEXT Different Strokes The most popular paintbrush materials in Chinese art are from animals. There’s a lot to draw from. Wolf bristles make more-rigid marks; goat hair has a softer touch. Kitten whiskers (below) are employed for detailed brushwork—depicting kitten whiskers, for example. So are mouse and rat whiskers. In Japan additional brush sources are equally beastly: badger hair, squirrel fur, wild horse manes, and feathers from under the beaks of kingfishers. —Johnna Rizzo photos (from top): mario tama, Getty imaGes; rebecca hale, NGm staff Graphic: Álvaro valiÑo. source: harvard medical school Pier Review boardwalks are no match for extreme weather. last year’s superstorm sandy ravaged at least 20 of them on the coasts of New york and New Jersey, including seaside heights’s casino pier (above). the federal emer- gency management agency expects to spend more than $50 million to rebuild them with more-durable materials like concrete, steel, and hardwood. local officials say boardwalks and piers are economically vital. belmar, New Jersey, sees at least three million dollars each year in summer revenue, a boon for the population of 5,800. yet is it wise to rebuild? “they are just going to be knocked down again,” says coastal geologist orrin pilkey. he also sees a downside of more- permanent construction: if sea levels rise as models suggest, deep-rooted development will make it harder to retreat inland. — Daniel Stone muscles make up roughly half of a human’s body weight.