Sentences with phrase «by powerful»

«The water could only have risen from below, driven upward by powerful convection originating deep in the atmosphere.

The same adaptations also make the pathogens less likely to be killed off by powerful antibiotics, according to a recent study led by Dr. Lucas «Luke» Hoffman, University of Washington assistant professor of pediatrics.

Vomiting is a «tour de force performance,» particularly when sparked by powerful emotions: «It's really your inner digestive tract sacrificing itself because it would like to have this energy from this food.

But in recent years, using X-ray emissions as a measure of heat given off by powerful gravitational forces, they unexpectedly found that most SMBH accrete matter at very low levels.

«The upper haze is so optically pretty thick that it is only in the stormy regions where the haze is penetrated by powerful updrafts that you can see evidence for the ammonia ice and the water ice.

In some cases the conflict between the role of science and traditional knowledge has been difficult to resolve, and there is a worry that discourse about adaptation may be used selectively by powerful stakeholders to advance particular pathways and political agendas.»

The findings also highlight the neuroscientific strides made possible by a powerful research technique known as optogenetics.

Memory is experience, McNally says, a neurohormonal event that cascades through the brain and, when accompanied by powerful emotions, is burned into synapses.

At the center of our galaxy, in the immediate vicinity of its supermassive black hole, is a region wracked by powerful tidal forces and bathed in intense ultraviolet light and X-ray radiation.

Researchers think these stellar ribbons and arcs are the stretched - out remnants of dwarf galaxies and globular clusters that got too close to the Milky Way and were dissolved by its powerful gravity (Science, 3 January, p. 62).

These odd and very different forms were both sculpted by powerful stellar winds from extremely hot newborn stars that also radiate into the gas, causing it to glow brightly.

«We see some gas outflowing from this galaxy at millions of miles per hour, and this gas may have been blown away by the powerful radiation from the newly formed stars,» said Ryan Hickox, an astrophysicist at Dartmouth College, Hanover, N.H., and a co-author on the study.

Brooks acknowledges that the science panel, as an authorizing committee, has little sway over decisions made by the powerful Appropriations Committee, which approves the annual budgets for each federal agency.

While they are very different, they were both sculpted by powerful stellar winds from extremely hot newborn stars that also radiate into the gas, causing it to glow brightly.

Anxiety disorders are characterised by powerful feelings of stress and physical signs of fear — sweating, a racing heart — due to some cue in the environment, or for no obvious reason at all.

Their movement is caused as they are jostled from below by powerful convection currents rising and falling beneath the photosphere.

The gist of the story was that guinea pigs in a university laboratory in Britain had spontaneously recovered their hearing after it had been damaged by powerful antibiotics.

Another possible mechanism powering the Lyman - alpha emissions is shock heating by a powerful outflow of gas from the AGN.

For example, feelings of hunger predicts the amount of food eaten by powerful but not by powerless individuals; and feelings of easiness or difficulty associated with memory impacts judgments of powerful but not powerless individuals.

The study also throws cold water on a second objection to the impact hypothesis: Scientists have thought that rock melted by the powerful strike would have simply filled in the basin and erased any record of its effects.

Doing so pushes her hips down and creates drag that must be compensated for by a powerful upper body.

In the debates, Perry distinguished himself by comparing the persecution of a 17th - century astronomer by a powerful religious and political body with the plight of those who doubt the science of climate change.

Since my first encounters with these creatures about a decade ago, I have been intrigued by the powerful sense of engagement that is possible when interacting with them.

Such extreme expansion, driven by a powerful repulsive energy that quickly dissipated as the universe cooled, would solve many mysteries.

He lived about 33 years, but when he got everything ready to win praise by putting on games, on the third day before the games, burnt up by powerful fever, he ended his days and died.»

A bit more than half of the hundreds of billions of stars in the Milky Way travel in pairs, nearly all of them orbiting so close that they can't be distinguished individually except by powerful telescopes.

Some stars in the spheroid are the remains of galactic cannibalism, having come from dwarf galaxies that fell into the spiral galaxy, were ripped apart by powerful tidal forces, and were incorporated into the larger galaxy's structure.

This process is likely stopped early on by powerful gas outflows from supernova explosions, stellar winds and possibly even from the central supermassive black hole.

After a short timescale of less than 1 billion years the star formation has been quenched by powerful gas outflows.»

The optical signature of the gases might be detectable by powerful telescopes such as the James Webb Space Telescope, scheduled for launch in 2018.

The film also shows a large tidal wave, caused by the powerful eruption, which sends at least one ship from the nearby bay crashing into the city itself.

It seems an argument can be made that middle age in humans was shaped by powerful evolutionary forces, and that...

A FACTORY worker has just lost three fingers, hopelessly mangled by a powerful industrial press.

But it doesn't take a Ph.D. — or a law degree — to understand that clearly defined rights and procedures, plus the backing of a union, can strengthen and clarify the position of a lone, impecunious individual seeking redress for perceived unfair treatment by a powerful member of a large institution.

Apparently, its battery wires had been reconnected by a powerful chomp.

Instead, they see the atmosphere simultaneously being pulled in two different directions by powerful changes to its basic physics and chemistry.

Now, a new theoretical model reveals that they all could be shot out into space after cosmic rays are accelerated by powerful jets from supermassive black holes.

Some active galactic nuclei are accompanied by powerful relativistic jets.

As it flew by Mercury, it ran smack into a wave of charged particles from the solar wind that had apparently been deflected by a powerful magnetic field.

Anchored by a powerful synchrotron, first of a series of multidisciplinary national science centers will rise by 2023.

The work, made possible by powerful advances in genetic sequencing and a 45 - year data set, has revealed how the jay's environment has favored small changes within the genome.

Memory is experience, he says, a neurohormonal event that cascades through the brain and, when accompanied by powerful emotions, is burned into synapses.

Córdova launched that priority - setting exercise knowing NSF has spent the last 4 years fighting off attempts by another powerful legislator — Representative Lamar Smith (R — TX), the chairman of the House science committee — to reshuffle the agency's portfolio.

That changed in 1966, when zoologist Wolfgang Wiltschko showed that the direction in which the robins attempted to escape could be changed by powerful magnets.

Damaged homes along the foreshore of Sydney's Collaroy Beach, hit by powerful storms in early June.

The new rules, issued by the powerful State Council, apply to all groups and individuals generating research data in China.

This beautiful structure, unobserved in visible light but detected by the NSF's recently refurbished and re-dedicated Karl G. Jansky Very Large Array (VLA) radio telescope, has been produced by powerful events over roughly the last 10,000 years.

During the colonization of Brazil in the 16th century, land was doled out entirely to Portuguese royal families, and, today, productive land in the lowland savanna has been swallowed up by cattle ranches, soybean farms, and eucalyptus plantations run by powerful business interests.

Most sites had been hit by a powerful hurricane every 200 to 600 years, on average.

Unlike Germany, the U.S. has vast deposits of fossil fuels owned by powerful corporations.