Word: cautioningly
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Scientists caution against jumping to conclusions about the meaning of the NIH studies. To complicate the picture, some of the work shows that environment, along with genetics, influences sexual behavior. In one experiment, a small group of "straight" flies was mixed with a larger group of genetically altered "gay" flies. While the gays formed their conga lines, the straights stayed to the side -- but only temporarily. After a few hours, the straights joined in and, for the time being, acted...
...staggering U.S. budget deficit and the danger it poses to coming generations are alarming. However, Congress must exercise caution in its efforts to balance the budget by fiscal year 2002. Any drastic measures can cause widespread unemployment and boost the crime rate. They could endanger the lives of children whose families rely on government assistance. Is there a way to lessen the misery of the people affected? Perhaps they could agree to a salary reduction or a shorter workweek rather than find themselves totally out of a job and unable to support their families. Public servants could start the ball...
...week's flurry, the White House became more protected and yet more of a magnet for intrusion. Only three days after Pennsylvania Avenue in front of the White House was abruptly closed to vehicular traffic as a caution against a truck-bomb attack, the first of two interlopers challenged the security sytem. A troubled graduate student in psychology carrying an old, unloaded pistol climbed the 8-ft.-high iron fence on the east side of the White House on Tuesday night and rushed 60 yds. across the grounds. In the struggle to subdue him, a guard fired a shot that...
...responsible for 30 percent of lung cancer deaths in nonsmokers. The study's conclusions are based on an analysis of hard-rock miners who had cancer and had been exposed to radon at work. The authors are quick to note that their results should be interpreted with caution, since miners are exposed to wide range of chemicals that could be responsible for the cancer...
...entirely. "As remarkable as amber is," says David Grimaldi, a colleague of Wheeler's. "the DNA it contains is fragmented, which makes it astounding that viable spores could still be completely intact." And that is one reason why many scientists remain dubious about Cano's claims. Another ground for caution is the history of laboratory contamination that has haunted researchers working on ancient DNA. Though Cano took every precaution, laboratory samples can pick up extraneous material as easily as a jacket collects lint. Last year a team of British researchers disclosed that the DNA they thought had come from...