Sentences with phrase «early scientists believed»

Early scientists believed that mate choice was driven entirely by the male, for example.

Not exact matches

Apr. 24, 2013 — Scientists have long believed that lava erupted from certain oceanic volcanoes contains materials from the early Earth's crust.

I think most of the Americans are in lost... as most of them do not know who their father is and it is very unfortunate... even if they know who their father is, the mom has children from diff men outside of marriage... and while a child is being raised, watching what his / her parents do to enjoy their life... so things become normal when they grow up... like if you go back early nineteen century, women were not allowed to go to beach without being covered... and now it totally opposite... if you do not have a boyfriend or girlfriend before 15, the parents worries that their teenage has some problem... and lot more can be listed... And then you go to Church, what our children learn from there... they see in front of the Church an old man's statue with long beard standing with extending of both hand... some of the status are blank, white, Spanish and so on... so they are being taught God as an old dude... then you learn from Catholic that you pray to Jesus, Mother Marry, Saints, Death spirit and all these... the poll shows a huge number of young American turns to Atheism or believing there is no God and so on... Its hard to assume where these nations are going with the name of modernization... nothing wrong having scientists discovered the cure of aids or the pics from mars but... we should all think and learn from our previous generations and correct ourselves... also ppl are becoming so much slave of material things...

Earlier a survey was cited indicating that 70 per cent of scientists say they believe in the existence of God.

This led scientists to believe that early exposure to peanuts actually reduced the likelihood of a peanut allergy.

But then contradictory studies began flooding in, and scientists now believe that exposing the gastrointestinal system to an allergen early in life is unlikely to cause an allergy.

Scientists have long believed that the early solar system began with four planetary cores that went on to grab all of the gas around them, forming the four gas planets — Jupiter, Saturn, Uranus, and Neptune.

Miller had filled the vial in 1972 with a mixture of ammonia and cyanide, chemicals that scientists believe existed on early Earth and may have contributed to the rise of life.

However, although they look somewhat like plants, scientists believe that they may have been some of the earliest animals to live on Earth.

Oceans on both planets filled up early on, planetary scientists believe.

An ancient species of pint - sized humans discovered in the tropics of Indonesia may have met their demise earlier than once believed, according to an international team of scientists who reinvestigated the original finding.

Without action to stave off climate change, some scientists believe that, at that rate, all of the year - round ice in the Arctic could be gone by as early as 2030.

The principal investigators of the research — psychological scientists Michael Bang Petersen of Aarhus University, Denmark and Daniel Sznycer of University of California, Santa Barbara — believe that the link may reflect psychological traits that evolved in response to our early ancestral environments and continue to influence behavior today.

He and co-founder Amar Sahay, a professor at Harvard University and Russo's former boss, believe their system can help scientists «start engaging opportunities outside of academia earlier in their scientific careers,» Russo says.

However it happened, two new lines of evidence from Cassini make it clear that the rings were not around in the early days of the solar system 4.5 billion years ago, as scientists had long believed, says Jeff Cuzzi, a ring specialist at NASA's Ames Research Center in Mountain View, California.

The tree also provides a baseline to test whether diurnal, or daytime, activity, a common butterfly trait, evolved much earlier than scientists previously believed, possibly at a time when bats» spread across the planet, as a means of escaping these and other nocturnal predators, Kawahara said.

Scientists believe there are earlier periods in Earth's history with comparably high levels of the gas.

Finney believes that changes in climate cause the cycles in salmon populations, and as scientists struggle to understand the rate and effects of global warming, salmon may help them distinguish normal climate variations from the early warnings of a system gone dangerously wrong.

Princeton scientist — it's too early to admit defeat Michael Oppenheimer, a professor of geosciences and international affairs at Princeton University, said he also believes scientists have been clear about what sticking to 2 degrees will entail and how far nations are from getting there.

«In fact,» LeDoux says with a smile, «my first grant on this topic in the early 1980s was turned down,» because scientists reviewing his application believed it was impossible to scientifically study emotions.

The lack of corroborating fossils makes it hard to be positive that Rotodactylus was an early member of the dinosaur line (and not, say, a closely related archosaur), but if Haubold is correct, dinosaurs emerged earlier and took longer to dominate than scientists believed.

But when NASA's MESSENGER spacecraft detected lots of sulfur and potassium in the crust of Mercury earlier this year, many planetary scientists believed this ruled out the giant - impact scenario for the innermost planet.

For a long time, scientists believed that the early marine reptiles that came about after the mass extinction evolved slowly, but the recent discovery of a strange new fossil brings that view into question.

Others, scientists believe, were formed very early in the universe, a billion years after the big bang.

Most health workers and scientists believe it is too early to screen the general population but some have implied it will eventually happen.

After a few billion years, these early, smaller galaxies became the building blocks of the larger galaxies that came to dominate the universe, scientists believed.

Scientists already knew that the Earth is roughly spherical, but many early Christians felt compelled to believe Holy Writ without question.

In spite of the recent changes, many believe that France is still leading the world in opportunities for young scientists to find permanent positions early in their careers.

Understanding the energy balance of this part of the atmosphere could also provide early evidence of global climate changes, NASA scientists believe.

An international team of scientists has discovered the presence of metal in the ink of two Herculaneum papyrus fragments proving that metals were used in ink several centuries earlier than previously believed.

Scientists believe that gas and dust may have been stripped by nearby galaxies or from an early burst of star formation that used up all the gas.

We believe interactions between early career scientists and state legislators may have long - term impacts on boosting the public interest in science.

And finally, what about Mark's questions (# 3) and other factors not discussed here — do all these effects re Arctic ice lead scientists to believe there is a greater and / or earlier chance (assuming we continue increasing our GHG emissions — business as usual) of melting hydrates and permafrost releasing vast stores of methane into the atmosphere than scientists believed before the study, or is the assessment of this about the same, or scientists are not sure if this study indicates a greater / lesser / same chance of this?

Scientists at the University of Exeter in the UK believe it's possible to come up with early warning indicators of an approaching tipping point.

NASA chief scientist Ellen Stofan also said that she believed in alien life and with the advances in science and technology, she thinks that proof of alien life forms will finally be found in as early as about a decade.

Scientists believe climate change — the warming of oceans — has allowed some of the almost 2,000 jellyfish species to expand their ranges, appear earlier in the year and increase overall numbers, much as warming has helped ticks, bark beetles and other pests to spread to new latitudes.

For decades, scientists believed that the atmosphere of early Earth was highly reduced, meaning that oxygen was greatly limited.

«Scientists believe the almost - complete fossilised skeleton belonged to a previously - unknown type of early human ancestor that may have been an intermediate stage as ape - men evolved into the first species of advanced humans,» Richard Gray wrote in the Telegraph.

Fitzpatrick and other scientists believe that infant exposure to high amounts of phytoestrogens is associated with early puberty in girls and retarded physical maturation in boys.5

Also how you and your school can get involved with helping scientists analyse if spring is getting earlier like some people believe.

Scientists believe that the brown bear lineage split over 300,000 years ago to form the polar bear (Ursus maritimus), theorizing that a group of early brown bears became isolated in colder regions and ultimately adapted to life on ice.

While it is true that many scientists believed ulcers were due to stress and diet, and this was later proven wrong, as with many early medical beliefs, the believers never had a significant body of evidence or research to support this contention.

And finally, what about Mark's questions (# 3) and other factors not discussed here — do all these effects re Arctic ice lead scientists to believe there is a greater and / or earlier chance (assuming we continue increasing our GHG emissions — business as usual) of melting hydrates and permafrost releasing vast stores of methane into the atmosphere than scientists believed before the study, or is the assessment of this about the same, or scientists are not sure if this study indicates a greater / lesser / same chance of this?

The news service reports, «Scientists believe climate change — the warming of oceans — has allowed some of the almost 2,000 jellyfish species to expand their ranges, appear earlier in the year and increase overall numbers, much as warming has helped ticks, bark beetles, and other pests to spread to new latitudes.»

the impact on global economic growth begins to mount over time and even conservative estimates put the costs at up to 3 percent of global GDP annually if the Earth's temperature were to rise 2 - 3 degrees C, which many scientists believe could begin to happen as early as mid-century?

In the early 1990s, a group of sceptics claimed that Roger Revelle, one of the first climate scientists, had changed his mind about global warming and no longer believed it was a serious problem.

Such a tipping point, for example, would be an ice free Arctic, which could happen within two decades or less (some scientists believe as early as 2013).

The fact that reindeer herders keep discovering new holes and that the first Yamal craters discovered earlier this year were recent events have led local scientists to believe that the eruptions are a new phenomena for Siberia.

Many scientists believe that the Arctic Ocean will be ice - free in the summertime within the next decade or two, and some say that this could occur as early as 2016.

In the U.S., scientists believe that the reduced snowpack and early melting of snow in the Sierra Nevada was one of the factors behind the long, extreme drought that began affecting California in 2011.