Sentences with phrase «around less than a century»

Not exact matches

China «s official unemployment rate has been around 4 % for years, despite the rapid slowdown in the economy from double - digit growth to quarter - century lows last year of less than 7 %.
It was less than a century ago that Einstein was the most radical physics thinker around.
Ms. Duong noted that «The Cannon is named for Annie Jump Cannon, a pioneering American astronomer who classified the spectra of around 340,000 stars by eye over several decades a century ago — our code analyses that many stars in far greater detail in less than a day.»
Although laparoscopy — the technical term for minimally invasive surgery — has been around for more than a century, its use has grown substantially in the last 20 years since medical researchers have demonstrated that it is not only safer but also less expensive than open surgery for a number of different types of operations.
The team mapped the ancient virus to a 20th - century strain, and found another surprise: The two strains had less genetic diversity than expected, finding a recent common ancestor around 1580.
At the turn of the last century, around 1900, the average person consumed less than one kilo of sugar in one year.
Still, just because one certain drug — insulin — has been around for nearly a century doesn't mean that it should be considered as less useful or less important than other «more modern» medications.
The total number of school districts in the U.S. dropped from more than 100,000 around the turn of the 20th century to less than 15,000 by the turn of the 21st century, even as the population of school - age children increased during that period.
And after another quick scan, I find table SPM.6 from the Synthesis which says emissions would need to peak sometime before the middle of the century to limit temperature rises to under 4 degrees (with a peak by 2015 to achieve less than 2 degrees warming)... I think most would agree that some degree of «drastic action» is going to be required to achieve a peak in emissions within this time frame, particularly while we have guys like you running around, would you not?
Look at graph 5c, and you'll see 20th century warmth matches peaks either side of the year 1000, and that for the TRW chronology 20th century warmth is less than the spike around 1750.
To take just one fairly representative example, in the classic Rothampstead experiments in England where arable land was allowed to revert to deciduous temperate woodland, soil organic carbon increased 300 - 400 % from around 20 t / ha to 60 - 80 t / ha (or about 20 - 40 tons per acre) in less than a century (Jenkinson & Rayner 1977).
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