Sentences with phrase «over the last several decades there»

«Over the last several decades there have been conflicting theories for how the DNA is organized inside these chromosomes,» said Dr. Dekker, co-director of the Program in Systems Biology at UMMS and senior author of the Science study.

Over the last several decades there were thousands of Slavic brides wanting to marry an American, Canadian or Western European man.

Not exact matches

We also don't know if there was a prisoner exchange, of which Iran has shown a propensity towards over the last several decades.

This question correctly notes that there has been an increase in the occurrence of toxic and harmful algae blooms over the last several decades.

«There's been a drive over the last several decades of trying to understand and improve biocatalysts from this key enzyme family,» said Gregg Beckham, group leader at NREL and senior author of the study.

There have been several studies over the last few decades that show this is quite possible, though it still has a ways to go before it can be regularly used in the clinic.

The topic of stress has received much attention over the last several decades, and there is much controversy over exactly what stress is.

Intro: Health psychology and gastroenterology have become increasingly aligned over the last several decades because: «There is strong evidence that cognitive behavioral therapy; hypnotherapy; and mindfulness - based therapy directly target physiological processes by reducing arousal of the autonomic nervous system, decreasing the stress - response, and even reducing inflammation.

«One of the things that's happened over the last several decades is that consumers have adopted technology,» DuBravac said, adding that there are now «roughly 24 products per household.»

Over the last several decades, from Europe to North America and now Asia, there's been a growing movement aimed at peeling back pavement and «daylighting» buried waters.

*** One complexity in how to describe this: over the last several decades or so, at least, there has been some fraction (40 %?)

There is no doubt, that these observations are associated with the climate change which has been shown to occur since several decades, and which, over the last years, has had important consequences for fisheries: decrease of catches, northwards shift of fishing grounds, adaptation to fisheries for different species.

Those greenhouse gases that have been emitted over the last several decades, they're going to circulate in the atmosphere for a while even if there are dramatic global changes in greenhouse gas emissions.

It is therefore difficult to see how the Intergovernmental Panel on Climate Change (the IPCC) can maintain there is a 95 per cent probability that human emissions of carbon dioxide have caused most of the global warming that has occurred over the last several decades (4).

All of the above is background to one of the great mysteries of the climate change issue... how the Intergovernmental Panel on Climate Change (the IPCC) can maintain there is a 95 per cent probability that human emissions of carbon dioxide have caused most of the global warming that has occurred over the last several decades (4).