Sentences with phrase «by unknown mechanisms»

One quasar, two billion times the mass of the Sun, is so far from Earth that believers in the big bang admit that the quasar must have formed (by some unknown mechanism) very soon after the universe began.

The study showed that chromium picolinate can reduce sugar cravings, improve satiety and (by an unknown mechanism) relieve the symptoms of depression.

Not exact matches

The only logical answer to the question as to who could have mentioned all these scientific facts 1400 years ago before they were discovered, is exactly the same answer initially given by the atheist or any person, to the question who will be the first person who will be able to tell the mechanism of the unknown object.

It came from elements produced by the big bang forming amino acids; the exact mechanism is unknown but several experiments have proven that it is possible.

By following the DNA - transfer, scientists for the very first time showed an unknown mechanism called carry back in which pathogens were able to snatch genes from far - related bacteria via the carry back mechanism.

Published a month apart in PLOS Pathogens, the studies from Professor Ethan Bier's laboratory used a series of experiments to identify key pathways and mechanisms previously unknown or overlooked in the body's defenses.

Marked by the red glow, A-beta peptide may give birth to Alzheimer's disease through mechanisms still unknown.

The mechanism by which TUS can affect mental states is unknown (as is the mechanism by which the brain produces mental states).

Just as flu season swings into full gear, researchers from the University of Colorado Boulder and University of Texas at Austin have uncovered a previously unknown mechanism by which the human immune system tries to battle the influenza A virus.

However, co-author of the study Katerina Nezvalova - Henriksen commented that, «the biological mechanisms by which long term SSRIs exposure may affect birth weight remain unknown.»

Professor Tobias Bopp, Professor Edgar Schmitt, and Dr. Alexander Ulges of the Institute of Immunology at the University Medical Center of Johannes Gutenberg University Mainz (JGU) have made major progress towards explaining the underlying mechanisms by identifying a previously unknown sub-population of regulatory T cells.

«While the patho - mechanism of CFS / ME is unknown, these recent findings by NCNED researchers provide further evidence for the pathology of this illness,» says Professor Sonya Marshall - Gradisnik, who speaks as we approach International CFS Awareness Day on Thursday May 12.

While the mechanism by which a significant weight loss can reduce asthma - associated risks is unknown, studies have linked obesity to increased inflammation, higher prevalence of gastroesophageal reflux disease, and physical changes in the airway — all of which could contribute to asthma severity.

So far, the exact mechanism by which splicing occurs was unknown, but a new SISSA / CNR - IOM study carried out with the collaboration of the Swiss EPFL has reconstructed in detail — by using computer simulations — the cleavage process for group II introns, considered the ancestors of the spliceosome, thereby shedding light on the much more complex splicing mechanism in humans.

Although the functional importance of TCF - 1 in T cells has been known for more than 25 years, the mechanism by which this protein controls T - cell identity remained unknown.

The research team, led by Dr. Michael Shiloh, Assistant Professor of Internal Medicine and Microbiology at UT Southwestern, found that microfold cell (M - cell) translocation is a new and previously unknown mechanism by which Mtb enters the body.

Mei's study outlines a previously unknown mechanism found in neurons affected by schizophrenia.

The team eliminated three of the four known starch synthases by inserting backward copies of the genes for each one into the potato genome, which, through an unknown mechanism, interferes with the translation of the nearby normal gene.

But the mechanism by which these experimental therapies work has remained unknown.

The study, co-authored by Dr Thomas Stevens, from the Department of Geography at Royal Holloway, University of London, found a previously unknown mechanism by which the joining of North and South America changed the salinity of the Pacific Ocean and caused major ice sheet growth across the Northern Hemisphere.

Researchers from the Institut Pasteur, CNRS and Inserm, in collaboration with a team from Switzerland, have discovered a previously unknown mechanism by which L. pneumophila targets mitochondria to modulate mitochondrial dynamics and thereby impairs mitochondrial respiration which in turn leads to a change in the cellular metabolism.

Until now the mechanism by which the aberrant expression of glutamate receptor 1 in melanocytes leads to oncogenesis remains unknown.

«We've also shed light on a previously unknown mechanism by which the dopamine depletion causes the symptoms of Parkinson's disease.

A machine as complex as the Antikythera mechanism — used by the ancient Greeks, it is considered the world's first computer — remained unknown when elaborate clocks were being developed in Renaissance Europe.

Danish researchers have just published findings that explain a previously unknown mechanism used by cells to communicate with one another.

It is generally accepted that this program can be perturbed by environmental factors such as chemical pollutants; however, the precise molecular mechanisms remain unknown.

We conclude that the interaction between actively feeding P. marginata larvae and the substrate suppressed fungal growth through either consumption by the beetle larvae [47] of fungal biomass or through unknown chemical or combined chemical / mechanical mechanisms.

Although the exact mechanisms by which HMB affects muscle function remain unknown, the latest reports show that HMB may inhibit protein degradation during periods of resistance lifting, which could be the reason why this supplement is so effective at preventing muscle catabolism.

The mechanisms by which obesity and its co morbidities are associated with vitamin D deficiency are unknown.

Research published in the journal Nature [16] in 2014 revealed a previously unknown mechanism by which artificial sweeteners make you pack on unwanted pounds and disrupt your metabolic function.

The mechanism of its action, by the time of its wide introduction in the 1990s was largely unknown.

The exact mechanism by which calorie restriction and intermittent fasting exhibits its effects on various organ systems remains unknown.

The Wahls approach is intriguing but mechanisms by which benefits occur, risks, and in what people the benefits may be expected are all fuzzy or unknown.

The mechanism by which these, but not other supplements (e.g., cod liver oil, vitamins, cooked or raw chicken, cheese, yogurt, or coat enhancers) were associated with a decreased risk of GDV is unknown.

The other possibility is that the models are wrong, the quantification of the warming in the north is wrong and the mechanisms are not understood, these unknown mechanisms are causing a much more rapid warming, that they asymmetrically affect the north and not the south, and - for reasons I don't see but which I'm sure are very good - you are convinced these mechanisms are driven by global warming.

Roy Spencer is the driving force behind the «internal variability» hypothesis, which posits that some unknown and undefined mechanism is causing cloud cover to change, which, by changing the overall reflectivity of the Earth, is the driving force behind the current global warming.

One of the biggest debates between sceptics and their counterparts is in fact the role played by feedback mechanisms — a response in part to claims by environmentalists such as Mark Lynas in «Six Degrees: our future on a hotter planet» that a relatively small increase in CO2 could cause «runaway climate change» by triggering (unknown and possibly non-existent) feedback mechanisms to form.

There is if there are as yet unknown mechanisms which rejected the heat expected from CO2 rise as predicted by the erroneous models (I.E. the pause).

It is also possible that by some completely unknown mechanism that the senstivity of the climate to CO2 is much more positive than you'd expect in this case and something will happen that will give us warming much larger than predicted.

This influences me to think the PDO is driven by a yet unknown mechanism which may be linked to Solar velocity (Scafetta) which in turn influences ESNO.

There could also be other unknown mechanisms driven by solar changes that exaggerate the effect of small variations in total solar irradiance.

There are also some detection — attribution studies using global climate models that suggest there was a detectable influence of solar variability in the first half of the twentieth century and that the solar radiative forcing variations were amplified by some mechanism that is, as yet, unknown.

He claims to prefer empiricism to theoretical models, yet when the paleo data supports the higher climate sensitivity simulated by climate models, he blames some unknown mechanism.