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1、Long working hours linked to alcohol addiction: studyUpdated: 2011-08-08 13:45(Xinhua)WELLINGTON - A New Zealand study has found that people who work at least 50 hours a week can be up to three times more at risk of alcohol problems than people who work fewer hours.The study, conducted by the Univer
2、sity of Otago, used data that followed more than 1,000 people born in Christchurch in 1977 through to age 30.Study leader Dr Sheree Gibb said it aimed to examine whether working hours were related to alcohol problems in early adulthood.Data from more than 1,000 participants at ages 25 and 30 showed
3、a significant association between longer working hours and alcohol- related problems.Longer working hours were associated with higher levels of alcohol problems including frequent alcohol use and alcohol abuse or dependence.People who worked 50 hours or more on average a week were 1.8 to 3.3 times m
4、ore likely to have alcohol-related problems than those who were not working, and about 1.2 to 1.5 times more likely to have alcohol-related problems than those who worked 30 to 49 hours a week.The higher risk of alcohol abuse for those who worked longer hours was evident in both men and women, accor
5、ding to the study.Gibb said the finding could suggest a need for consideration of policies and programs targeting individuals who worked long hours, with the aim of reducing rates of alcohol-related problems.The article had been accepted for publication by the UK-based journal Addiction.（239 words）N
6、ASA launches Juno robot to explore Jupiters birthUpdated: 2011-08-07 13:53(Agencies)Comments(0) Print Mail Large Medium Small 0 CAPE CANAVERAL, Fla. - An unmanned Atlas 5 rocket blasted off from Cape Canaveral Air Force Station on Friday, sending a robotic scout on its way to Jupiter to sniff out de
7、tails about how the solar system formed.The rocket carrying NASAs Juno spacecraft lifted off at 12:25 pm (1625 GMT), the first step in a five-year, 445-million mile (716-million km) journey to the largest planet in the solar system.Launch was delayed almost an hour while United Launch Alliance, a Bo
8、eing-Lockheed Martin joint venture that builds and flies Atlas and Delta rockets for NASA, the military and commercial customers, fixed a technical problem with ground support equipment that supplies a helium purge to the rocket.Upon arrival in July 2016, Juno is to spend a year in an unprecedented
9、polar orbit around the giant planet, measuring its water content, mapping its magnetic fields and searching for signs of a solid core.With more than twice the mass than all its sibling planets combined, Jupiter is believed to hold a key piece to the puzzle of how the planets formed some 4.65 billion
10、 years ago from the gas and dust left over after the birth of the sun.Were really looking for the recipe for planet formation, said Juno lead scientist Scott Bolton, with the Southwest Research Institute in San Antonio, Texas.Were going after the ingredients of Jupiter by getting the water abundance
11、 as well as very precise measurements of the gravity field that will help us understand whether theres a core of heavy elements or a core of rocks in the middle of Jupiter, he said.The measurements will help scientists discriminate among theories about what the early solar system looked like and how
12、 Jupiter, believed to be the first planet to form, was created.To make its observations, Juno will soar as close as 3,100 miles (5,000 km) above Jupiters cloud tops, the first spacecraft to fly inside the planets radiation belts.With its sensitive electronics housed in a vault of titanium, Juno shou
13、ld last through 33 orbits around Jupiter, which is about a year on Earth. Its last maneuver will be a suicidal plunge into the planets thick atmosphere, which will incinerate the probe to avoid possible contamination of Jupiters water-bearing moons. （376 words）Now that NASA has retired its shuttle f
14、leet, the US space spotlight could shift toward the robotic probes and observatories have brought the biggest leaps toward understanding the cosmos.The Juno mission is the second in NASAs lower-cost, scientist-led New Frontiers program, and it was accomplished on schedule and within its $1.1 billion
15、 budget.The spacecraft was built by Lockheed Martin Astronautics of Denver, Colorado.In addition to launching science probes and other satellites, United Launch Alliance is in the process of certifying its Atlas 5 rockets to fly astronauts to the International Space Station, one of several possible
16、commercial rockets contending to replace NASAs now-retired space shuttle fleet. （489 words）Childhood hardship linked to adult disease riskUpdated: 2011-08-04 11:10(Agencies)Comments(0) Print Mail Large Medium Small 0 NEW YORK - Children who are abused, lose a parent, or suffer other hardships may be at increased risk of chronic health conditions later in life, according to an international study. Looking at over 18,000 adults from 10 countries, the study found tha
