Word: tougher
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Dates: during 2000-2009
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...fitted with a movable scoop and what NASA calls "ripper tines," sharp teeth able to chew through a concrete-like permafrost a lot tougher than the powdery soil found at lower Martian latitudes. The scoop will be able to dig about 19 in. deep (.5 m), or about the depth at which NASA scientists believe the ice meets the soil. It will then transfer what it gouges out to the spacecraft itself, where the onboard science lab will examine it for organic materials, biochemical processes and other signs of life...
...ever since Edward Jenner, a country doctor in England, inoculated his son and a handful of other children against smallpox in 1796 by exposing them to cowpox pus, things have been tougher on humans' most unwelcome intruders. In the past century, vaccines against diphtheria, polio, pertussis, measles, mumps and rubella, not to mention the more recent additions of hepatitis B and chicken pox, have wired humans with powerful immune sentries to ward off uninvited invasions. And thanks to state laws requiring vaccinations for youngsters enrolling in kindergarten, the U.S. currently enjoys the highest immunization rate ever; 77% of children embarking...
...that price is 1% lower than it was a year ago, marking the first annual fall since 1996. Banks, still nervous about lending to one another following the collapse of the U.S. subprime market, are being no less careful when it comes to their loan customers: tougher lending criteria and higher mortgage rates have discouraged British house hunters already struggling to meet bloated food and fuel bills. Repossessions are expected to soar by two-thirds this year to some 45,000. The result: property prices look set to fall further. Halifax, Britain's leading mortgage lender, forecasts "a mid-single...
...much of its authority comes from the ability to convince the public to follow, and the same is sometimes true in diplomacy. The time when George W. Bush could perform that trick has long passed. But if Americans are adjusting to the idea of a weak Bush, an even tougher mental leap awaits them once he leaves office: accepting that the U.S. isn't the force abroad it was just a few years ago. The next President's hardest job may be getting the country used to that...
...video analysis and a preoccupation with statistics into the Australian game. Among these stats was the "tackle count" - a record of each player's contribution in defense. "I might have read it in Sports Illustrated," Gibson said, "where in the American game it takes more talent, experience and a tougher individual to be a defensive player than a runner." Gibson even started to sound like an American, drawling about "offense" rather than "attack," the rugby league term, and "releases" rather than "offloads...