Word: pining
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Dates: during 1970-1979
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...wall of water hurtled down the canyon, a wailing and moaning wind preceded it along the Big Thompson. When the water began to rise, Helen Hill, who is in her mid-fifties, scrambled to a perch five limbs up on a ponderosa pine and later that night watched the flood in a series of flickering still lifes illuminated by lightning. "I saw poor Mrs. Greeley-84, she is-go down the river. And I could hear the cabins around us go. They sounded like the lid of a wooden apple box being pried...
...Israel last week. One of the first objectives for Lady Bird and daughters Lynda Robb and Luci Nugent required a two-mile hike over dirt paths through Independence Forest on the outskirts of Jerusalem. Their destination: a wooded area dedicated to Lyndon Baines Johnson, where Lady Bird planted a pine sapling and Luci watered it. The former First Lady also met with Israeli President Ephraim Katzir and dropped in at the Hebrew University Library. Being a good guest, Lady Bird observed: "There are more books in Jerusalem on my husband than in Washington...
...fiery sting and driving farm workers from the fields. Some experts believe that it will continue to press forward, adapting to cooler temperatures and inexorably moving toward both the North and the West. In forest areas, the gypsy moth, the tussock moth, the spruce budworm and the southern pine beetle are wreaking devastation on huge areas of woodland, defoliating and killing millions of valuable trees and destroying in 1975 alone enough board feet of timber to build 910,000 houses...
...same species for miles around. Other pheromones identify members of a colony, trigger fight or flight reactions, or are used to mark a path toward food sources. At Beltsville, Jacobson has identified the sex pheromones of the American cockroach. Oriental fruit fly, Mediterranean fruit fly and southwestern pine tip moth. Synthetic forms of such chemicals could, if spread in large quantities over an insect-infested field, so confuse male insects that they might never find females and mate with them...
...other work, scientists at the Boyce Thompson Institute for Plant Research isolated frontalin, a pheromone released by the female western pine beetle to attract other beetles when it finds a tree suitable for feeding and nesting. They also isolated verbenome, a pheromone given off by the males to stop the influx of beetles to the tree after the proper balance of males and females is achieved. After synthesizing both pheromones, the researchers applied both of them to several trees. Approaching beetles were so confused that they lost their nesting and mating instincts and dispersed into the forest. Capitalizing...