Sentences with phrase «decades before»

By the time the DNA sequencer made the Human Genome Project possible in the late 1990s, scientists were mapping genes at thousands of times the rate that they had done two decades before.
In the same square four centuries ago, the Holy See burned alive the philosopher Giordano Bruno, mere decades before Galileo's run - in with the Church.
Based on an analysis of the trunk, the palm appears to grow for decades before exploding with nectar - rich blossoms that develop into fruit, deplete the plant's nutrients, and cause it to collapse.
After all, it could be decades before geologists have another chance to delve physically into Panama's ancient history, Jaramillo says.
After all, landing the Yutu robotic rover, aka Jade Rabbit, on Earth's closest neighbour was a feat human explorers had bagged many decades before.
Humans, for example, only dumped chlorofluorocarbons (CFCs) into the atmosphere for a few decades before realizing thedamage to the ozone and reducing CFC emissions.
Kodama started to read a page at random and Borges, amazingly, guided her to the right page even though he had been blind for many years and — as he jotted on the first page — had read the book in 1916, decades before this encounter with Kodama.
Mandelbrot himself had worked at IBM for two decades before setting computer technology to work on the fractal problems that intrigued him.
Exquisite telescopic photographs of the lunar surface had existed for decades before the Apollo missions to the Moon, but they did not resolve the controversy of the origin of lunar craters were they formed by meteorite impact or by volcanic eruption?
Drawing on ADNI data, which helped link Alzheimer's disease to a common gene called CLU, researchers used this imaging technique in other people to discover that the brain wiring of gene carriers is impaired decades before the disease typically strikes.
Two decades before Louis Pasteur discovered that bacteria could cause disease, Semmelweis found that doctors could stop the spread of childbed fever if they washed their hands in chloride of lime between patients.
This was decades before the discoveries of thousands of extrasolar planets began in the 1990s, and years before astronomer Frank Drake presented his probabilistic argument for the rarity of communicating civilizations in the cosmos in 1961.
«The head trauma usually occurs years, maybe even decades before the person become symptomatic,» McKee says.
Hepatitis C virus (HCV) can linger for decades before causing any symptoms, but eventually it can severely damage the liver, leading to death without treatment.
Terry had intuited the conclusions of Sander and Taylor's new book decades before they did the extensive research that informs it.
«The impacts we may be experiencing now and in the next few decades before choosing to stabilize CO2 levels,» Solomon notes, «would only be about half the eventual impacts.»
Neither Hudson nor Mueller quite realized that they were hearing a siren's call, or that it would be three decades before they finally got their chance to beat the rocket equation.
But it might be decades before the more home - bodied six - armed sea stars return to the area, since their babies can only crawl small distances away from their mothers.
A few decades before a close encounter, at most, astronomers would observe a strange perturbation in the orbits of the outer planets.
«If we were to begin to reduce man - made emissions this year,» NOAA's Feely says, «it would take decades before we'd see CO2 levels and acidity start to go down instead of up and hundreds or thousands of years to return to preindustrial levels.»
Now he had died when he was not supposed to, two decades before the end of his expected life span.
Families given such information about their children then may have to wait decades before they can do anything about it or decide when, if ever, to start considering treatment for a disorder that may not ever develop.
A space image - processing enthusiast claims that he's found signs of Saturn's moon's majestic plumes from 1980 — decades before they were discovered
That edition was eventually folded, and it was some decades before we firmly established a series of translations that we see today.
Recent studies in those with an inherited form of early Alzheimer's detected the presence of rogue amyloid proteins up to two decades before symptoms emerged, suggesting that we're intervening too late, when the damage is irreparable.
It was to be many decades before the true shapes of the nebulae became apparent in photographs — and their popular names coined.
Zwally's study team claimed that if mass losses in West Antarctica continued to increase, it would only be a few decades before they overtook the gains in the east.
For decades before her death, she had a habit of cutting her hair, dating it, and putting it in her diary.
So it seems counterintuitive that evolution would produce women whose fertility disappears decades before they die.
But it was another three decades before Klassen — who has used retinal progenitor cells to restore vision in mice, cats, dogs and pigs — could conduct human trials involving retinitis pigmentosa.
In the decades before, the supplements industry was overwhelmingly focused on vitamins and minerals.
In 2007 sleep researcher Steven Lockley of Harvard Medical School started gathering the proof after he met a human version of Keeler's mice — a blind 87 - year - old woman who had lost all her rods and cones decades before but whose ipRGCs were still intact.
Despite these efforts, it will likely take decades before society sees the benefits of driverless cars.
Polkinghorne pondered this problem for decades before finding a work - around in the byways of chaos theory, a branch of mathematics that describes the underlying order in large, seemingly unpredictable systems, from weather to economics.
Imaging studies have shown that the brains of high - risk individuals look and behave differently from controls decades before the onset of Alzheimer's, and long before they start to accumulate amyloid - β or lose grey matter.
Where CO2 takes centuries to millennia to warm the planet, methane is its cousin on steroids, working quickly over decades before decaying into less virulent gases.
«It is very clear that industrial lead contamination was pervasive throughout Antarctica by the late 19th century, more than two decades before the first explorers made it to the South Pole,» he added.
All these conditions also have DNA risk factors but take decades before clinical symptoms develop, says Dr. Petronis, who also is the Tapscott Chair in Schizophrenia Studies at the University of Toronto.
Those directions might have served equally well for locating Barbour's house at the time it was built in 1659, a few decades before another English physicist, Isaac Newton, wrote his Principia, setting down the ideas about motion and gravity that dominated physics for almost three centuries.
The onlooker, Chen Yunji, a 34 - year - old computer scientist and founding technical adviser of Cambricon Technologies here, explains that traditional processors, designed decades before the recent tsunami of artificial intelligence (AI) research, «are slow and energy inefficient» at processing the reams of data required for AI.
Please read this lucid description of the hunt for molecular clocks that Scientific American brought to you the better part of two decades before the three researchers confront jet lag on their trip to Stockholm.
Articles on Marconi's experiments appeared two decades before the advent of radio.
«Even when the NDE happened decades before, patients» memory of the experience was as vivid as if it occurred yesterday,» Laureys says.
McCollum served in House for two decades before making two unsuccessful bids for the Senate in 2000 and 2004.
Outside income was also at the heart of the case against Sheldon Silver, the Manhattan Democrat who served as the Assembly speaker for two decades before being arrested on federal corruption charges in January 2015.
Stefanik hopes to return the North Country's seat in Congress to the Republican side of the aisle as it had been for decades before Democrat Bill Owens won three times.
The Republican Party held control of the State Senate for more than four decades before losing the majority in 2008.
Mr. Díaz's father, an ordained minister born in Bayamón, Puerto Rico, was elected to State Senate in 2002 after a short stint in the Council — but, for two decades before that, Rev. Ruben Diaz Sr. was an incessant nuisance to the Bronx political machine, a «gadfly,» as the borough president called him.
«Harriet Tubman is best known for bravely devoting her life to the end of slavery in America, but she also was a fiercely outspoken advocate for women's rights and women's suffrage, decades before women were granted the right to vote.
Kearns claims in a television ad that he wasn't shy about calling out Sheldon Silver, who served as State Assembly speaker for two decades before his conviction on federal corruption charges in 2015.
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