Sentences with phrase «researchers estimate time»

Not exact matches

Some women shy away from jobs in fields that require long workweeks, knowing they won't have the time: a 10 percent cut in free time for women reduces their share in high - hour occupations by about 14 percent relative to men, according to the researcher's model.In total, that difference in time spent on at - home labor results in an 11 percentage point gender wage gap, their analysis estimates.

The ring has been raking in $ 3 million to $ 5 million per day by the researchers» estimates, a sum that is three times greater than the daily revenues generated by ZeroAccess, the next most profitable known advertising «botnet,» or network of zombie machines, which another set of researchers discovered in 2011.

«This scenario reconciles the discrepancy in the nuclear DNA and mitochondrial DNA phylogenies of archaic hominins and the inconsistency of the modern human - Neanderthal population split time estimated from nuclear DNA and mitochondrial DNA,» says researcher Johannes Krause, also of the Max Planck Institute for the Science of Human History.

The short answer is no one really knows, though the researchers speculate that humans have two separate neural systems for estimating space and time.

Based on that rate of prevalence, the researchers estimated, in a 2002 New England Journal of Medicine study, that some 67,000 Manhattanites who lived south of 110th Street (within 11 miles of the Towers) had some indication of PTSD during that time.

There may be more than 16 times as much plastic in the vortex than previous studies have estimated, according to the Ocean Cleanup researchers.

On March 23, Facebook removed audience reach estimates for Custom Audiences after a vulnerability was detected by outside researchers for a second time.

For those who haven't had the time to read the legaled - up language of every single privacy policy we encounter (which, considering Carnegie Mellon researchers estimated it would take the average user the equivalent of 76 work days per year to do, is most of us), and even for people like me who do it for a living and still find disclosure gaps, the Facebook — Cambridge Analytica scandal managed to shed a bit of light on the otherwise obscure relationships between some tech companies and advertisers.

Measurements of a Tyrannosaur's fossilized footprint help researchers estimate that the ancient beast was at the time walking between 4.5 and 8 kilometers per hour (2.8 to 5 miles per hour).

Using annual population estimates from the Russian Federal Agency of Game Mammal Monitoring database, researchers analyzed trends of eight large mammals — roe deer, red deer, reindeer, moose, wild boar, brown bears, lynx, and gray wolves — in Russia from 1981 to 2010, a time period that includes the 1991 collapse of the Soviet Union.

This database allowed the researchers to estimate each field's present - day author gender ratio, its rate of change over time and when gender parity is estimated to occur.

In a review article recently published online in the journal Nature, researchers arrived at a new estimate for total usable global offshore groundwater: 500,000 cubic kilometers — a quantity 100 times greater than the amount of water extracted from land aquifers since 1900, the study states.

Researchers say the social cost of carbon will be six times larger than the Obama administration's estimate

The researchers measured emissions rates of 34 grams of methane per second — 100 to 1,000 times greater than those estimates.

ETH researchers have now shown that the high estimated mutation rates at the start of the epidemic were due to the limited number of virus samples at the time in combination with the computer models used, which calculate the estimates using genetic data from virus samples and from underlying assumptions.

Next, the researchers estimated the cost of prescription and over-the-counter medications, time off work, visits to doctor offices and emergency departments and hospitalizations associated with the number of mild, moderate and severe cases of illness they determined were caused by recreation on natural bodies of water.

All told, cord blood stored in public banks have 30 times the likelihood of being tapped for a transplant as samples stored in private banks, researchers have estimated.

«We estimate that the peak activity for the volcanic field at the summit of Arsia Mons probably occurred approximately 150 million years ago — the late Jurassic period on Earth — and then died out around the same time as Earth's dinosaurs,» said Jacob Richardson, a postdoctoral researcher at NASA's Goddard Space Flight Center in Greenbelt, Maryland.

Last spring, the EPA doubled its estimates of methane gas leaked from drilling equipment and said the amount of methane pollution that billows from fracking operations was 9,000 times higher than researchers had previously thought.

The researchers estimated the water stress that hydraulic fracturing might place on streams in the gas field based on water usage and timing for fracturing wells and data on nearby stream flow rates.

Although the exact masses remain unknown, researchers estimate neutrinos to be two million times lighter than the next heavier particle, the electron, and this large mass difference is one of the great puzzles of neutrino physics.

In that sense, the researchers say, the moon is unique: Its craters are constantly erased by the solar system's most relentless volcanic activity — 25 times more frequent than that seen on Earth — which adds an estimated 1 centimeter of fresh material to Io's surface each year.

Because their data consistently showed that black, brown and polar bears carry highly distinct Y chromosome lineages, the researchers also estimated the timing of the split between the male lineages of brown and polar bears.

A complex computer analysis of those timing variations allowed the researchers to estimate the planets» masses and so improve estimates of their densities by up to eightfold, they will report in a forthcoming issue of Astronomy & Astrophysics.

For example, the researchers estimated that one percent of women have a risk of breast cancer that is more than 3 times greater than the population at large.

For that to happen, the superclusters would have to contain nearly 3 times as much mass, the researchers estimate.

By combining these data, the researchers found that about 40 million people in the United States live in 1 - in -100-year risk zones, three times as many people as FEMA's estimate.

The current version of the software doesn't estimate the breathing rate in real time, but the researchers are working to incorporate this capability and to test their algorithms in more real - life situations.

The researchers then analyzed this tracking data as a spatial network of movements and were able, for the first time, to estimate the quantities of nitrogen deposited around the remote unfished reef of Palmyra Atoll via the sharks» fecal material.

Researchers arrived at the previous estimate by using the Hubble Space Telescope to measure how fast the universe is expanding and then extrapolating back in time to the big bang.

The researchers then used a statistical technique called isotemporal analysis to estimate the potential impact on health of reallocating time from sitting to standing or stepping.

U.S. Geological Survey researchers estimate that the Blake Ridge alone, off the South Carolina — Georgia coast, contains 30 times as much methane as Americans consume in natural gas every year.

The researchers found that the Tc estimated from the gap - closing in a monolayer film is surprisingly high (above 60 K), which is about 8 times higher than the Tc of bulk FeSe.

Air monitoring by researchers in 2000 found levels of volatile organic compounds — highly reactive ozone precursors such as benzene, known as VOCs — were 10 to 100 times higher than what had previously been estimated.

For instance, the researchers had assumed that Garfield residents would remain in the county until the age of 70 in order to estimate the time period over which they would be exposed to the emissions.

Some researchers estimated that the amount of the gas in the atmosphere could have doubled since preindustrial times.

The Harvard T.H. Chan School of Public Health researchers found that men, blacks, and low - income populations had higher risk estimates from PM2.5 exposure compared with the national average, with blacks having mortality risks three times higher than the national average.

At the same time, the McGill researchers estimated the rate using their mathematical method.

«For the first time, our analyses provide state - specific costs for COPD, which provide state public health practitioners with estimates of the economic burden of COPD within their borders and illustrates the potential medical and absenteeism costs savings to states through implementing state level programs that are designed to prevent the onset of COPD,» says Earl Ford, MD, researcher with the Division of Population Health, CDC.

Lead UK researcher Prof Dabo Guan, of UEA's School of International Development, said the key contributor to the new estimates was fuel quality, which for the first time was taken into consideration in establishing emission inventories — something the Intergovernmental Panel on Climate Change (IPCC) and most international data sources had not.

At the same time, the white - footed mouse has been moving farther north as winters get milder — at a rate of around 11 kilometres a year, the researchers estimate.

Between 2000 and 2012, the world lost more forest area than it gained, according to U.S. Forest Service researchers and partners who estimated a global net loss of 1.71 million square kilometers of forest — an area about two and a half times the size of Texas.

Ransomware generated an estimated $ 200 million for attackers during the first quarter of 2016, and the researchers believe it's only a matter of time before critical industrial systems are compromised and held for ransom.

If the researchers incorrectly estimated a 200,000 - year - old salamander species to be 2 million years old, then their result was off by a factor of 10, making the salamander's rate of evolution 20,000 times slower than climate change instead of 200,000 times slower.

Researchers estimate that rising carbon emissions have increased the ocean's acidity by 30 % since preindustrial times, threatening some fish and shell - growing creatures.

For the paper, «Transmission dynamics and control of Ebola Virus Disease (EVD) outbreak in Nigeria, July - September, 2014,» published today in Eurosurveillance, researchers used epidemic modeling to project the size of the outbreak in Nigeria if control interventions had been implemented during various time periods after the initial case and estimated how many cases had thus been prevented by early initiation of interventions.

To monitor isolated populations over time, FUNAI researchers conduct regular flyovers, taking aerial photos of houses and fields, estimating populations, and noting hair styles and patterns of body paint.

Finally, the researchers used the 1990 - 99 and 2008 national estimates to assess if four potentially relevant country - level factors, namely access to efficient syphilis screening and treatment, health expenditure, GDP per capita, and circumcision prevalence, were correlated with syphilis prevalence over that time period.

With the upgrade, researchers estimate they will see about 40 times as many «collisions of interest» as they did before the upgrade.

Researchers estimate that at the time of European settlement in the early 1600s, the land that was to become the lower 48 U.S. states had 221 million acres of wetlands.