Sentences with phrase «changes over thousands of years»

There may be significant year - to - year variations, but they must even up to a large degree, and there may be large changes over thousands of years, but on the scale of decades no known process can have produced changes comparable to what we have observed at Mauna Loa.

By studying this ancient coral, scientists are hoping to put together the most accurate picture yet of how sea levels have changed over thousands of years, data that can help inform projections of how sea levels may change in the future.

'' «We know from past changes that ecosystems have responded to a few degrees of global temperature change over thousands of years,» said Diffenbaugh.

Researchers have found at least eight occurrences of iron penetrating the Pacific Ocean, with each occurrence likely associated with global climate change over thousands of years.

Not exact matches

It says that Bushmen societies seem not to have changed over tens, maybe hundreds of thousands of years — longer than most societies have existed.

The principles on money have pretty much stayed the same over the past hundreds / thousands of years, so every now and then you have to change it up a bit to make sure those epiphanies happen.

Over thousands of years the Bible's interpretation has changed because in my belief evertime a translation is made, or a person edits the Bible the meaning changes.

davidhmittelberg, so it has never occurred to you that after thousands of micro-evolutionary changes, over millions or billions of years, that you might end up with a creature that can no longer successfully mate with its ancestors?

Instead, it exhibits a variety of sexual mores, some of which changed over the thousand year span of biblical history.

Of course, they won't use the term «evolved» even when proposing far more rapid evolutionary change over just a few thousands of years than biologists posit for the development of those specieOf course, they won't use the term «evolved» even when proposing far more rapid evolutionary change over just a few thousands of years than biologists posit for the development of those specieof years than biologists posit for the development of those specieof those species.

I'd love to know in what areas you see that, because while I certainly agree that in many ways the human race differs from the Bible's standards of right and wrong, I really don't see that there's been much change over the last couple thousand years — certainly not since the time of the Greeks, when we start having our first comprehensive records outside the Bible.

The idea that induced change to aplant's genetic code is a phenomenon of the DNA age is also untrue: modern hexaploid wheat possesses six times as many chromosomes as its prehistoric ancestor, thanks to tireless selection and breeding over ten thousand years of human farming.

Yes, last Saturday was the Great Cloth Diaper Change, when thousands of families all over the world took part in a mass effort to break the world record (set last year, at 5,026 participants) for the most cloth diapers changed at one time.

The three laureates thought otherwise and over the years, using «a pair of gigantic laser interferometers to measure a change thousands of times smaller than an atomic nucleus, as the gravitational wave passed the Earth,» the LIGO project found success, the Nobel committee said.

Even the groups we came to know as Eskimo — which include the Inupiat and the Yupiks of Alaska, the Canadian Inuit and Inuvialuit, Inuit Greenlanders, and the Siberian Yupiks — have probably seen more changes in their diet in a lifetime than their ancestors did over thousands of years.

In any case major change seemed impossible except over tens of thousands of years.

«There must have been regional climate and chemical conditions that varied in time and space,» he says, adding that this would occur as the tilt of Mars's spin axis changed over tens of thousands of years, a wobble caused by the lack of a massive moon to stabilise the planet.

The article is about how specific genetic changes that either cause disease or protect against disease can help researchers trace human migrations over thousands of years.

Ice keeps a record of environmental changes as it accumulates over thousands of years, so the longer the core, the better.

The simulator lets scientists project how changing climate conditions will impact forests over thousands of years.

Stalagmites, which crystallize from water dropping onto the floors of caves, millimeter by millimeter, over thousands of years, leave behind a record of climate change encased in stone.

Beyond climate change, ancient DNA provides a window into the past to view evolution and ecology over hundreds of thousands of years.

«Over the course of several thousand years, human - driven selection caused major physical changes, turning the unproductive plant into modern maize, commonly known as corn.

More recent studies, however, have found evidence of speedy evolutionary change in animals — as well as hundreds of changes in the human genome that appeared within tens of thousands, rather than over hundreds of thousands or even millions of years.

Saying that changes on a small time scale are small compared with changes that happened over hundreds of thousands of years isn't saying an awful lot.

This in turn, over many thousands of years, triggered natural climate change, amplified by CH4 releases characterised by a ∂ 13C deficiency.

These attempted to determine how ice thicknesses, temperatures and gas - hydrate stability likely changed over tens of thousands of years.

That estimate was based in part on the fact that sea level is now rising 3.2 mm / yr (3.2 m / millennium)[57], an order of magnitude faster than the rate during the prior several thousand years, with rapid change of ice sheet mass balance over the past few decades [23] and Greenland and Antarctica now losing mass at accelerating rates [23]--[24].

Other scientists are exploring the origin of economic strategies, such as fishing, hunting and gathering, in modern humans over the last few thousand years, and how the development of these strategies may have contributed significantly to human survival at the onset of huge climatic changes at the beginning of the Holocene period.

Another key: in ocean circulation over 500 to a thousands years or more, these natural time frames no longer apply to rates of change today.

Evolution is typically thought of as a process that occurs over hundreds or thousands of years, but this doesn't mean that we can not observe genetic changes as they develop.

The hundreds of thousands of users since 2000 and the large body of research collected over the last 50 years can only be described as life - changing.

Trying to innovate and evolve your teaching in line with ever - changing policy demands is hard for us all, so each year tens of thousands of people from across the world travel to Bett to experiment with the latest technology, hear from inspirational figures and experts in the industry, and meet peers from all over the world.

Announcing the changes, Morgan said: «Over the past five years we've extended opportunity to thousands of young people, through raised standards, heightened expectations and a rigour revolution.

«The teachers in our study confirmed what we at Teach Plus have learned from previous research and from speaking with thousands of teachers over the past five years: that alignment between assessments and curriculum, access to highly valued activities, and the autonomy to choose what's right for students all contribute to how teachers perceive the value of activities they use to prepare their students for tests, and are all factors that can be changed to reduce wasted time and increase valued instructional time.»

«Over the years we've collaborated on new learning models that have expanded learning choices for students and dramatically changed the course of thousands of futures,» said APS Superintendent Raquel Reedy.

Over the last two years, I have talked with thousands of educators about the standards, and I have realized that one of the biggest risks we currently face is full - speed implementation without an understanding of the changes that the standards require.

Over two thousand years, the process of electing a new Pope has been refined and developed, most recently changing in 1970 when Pope Paul VI limited the age of the Cardinals involved in the conclave to 80 years old.

Over two thousand years, the process of electing a new Pope has been refined and developed, most recently changing in 1970 when Pope Paul VI limited the age of the Cardinals involved in...

But if you simply change your behaviour and have the money on hand at the beginning of each year by watching your budget a little more carefully or spending a little less the year before on non-essential items, the benefits of earlier contributions can add up to thousands of dollars over 20 years or more.»

Over thousands of years, humans changed and so did their needs.

The dog that has first access to food, for example, has nutritional advantage over others and even though thousands of years of domestication have changed the dog in many ways, instinct can remain deeply rooted.

History and Health of the Portuguese Podengo Pequeno Dog Breed: Brought to the Iberian Peninsula over two thousand years ago by Romans and Phoenicians, these primitive dogs have not changed much since ancient times.

Although a proportion of the ROH observed in both English bulldog and Standard Poodle can be attributed to natural selection pressures occurring over thousands of years [33, 34], the differences in ROH size and number are better explained by the comparative changes in outward appearance.

They also study changes in human society and cultures in our region over thousands of years and their changing relationships with the environment.

This rich, heady brew of sculpture, pottery, armor and jewelry is deliciously poured into ten thematic sections, each one a reminder that over thousands of years, humanity's reverence for physical perfection and outer beauty hasn't changed much.

Influenced by the fact that the North Star — though it is a fixed point in the night sky — changes over the course of several thousands of years (and will be replaced as time goes on) Ferrandi's sculpture and drawings serve to ritualize its phenomenon.

Over the next couple of thousand years our predominant social model changed from hunter - gatherers to cultivators.

This means that there were large - scale changes in the carbon cycle over a short geological timescale of several tens of thousands of years.

MalcolmT says: «Nick @ 20 Previous climate changes occurred over a time scale of hundreds or thousands of years.