Sentences with phrase «still unknown»

The mechanisms behind these effects are still unknown, but diet deficiency and stress - induced glucocorticoid response may be likely drivers of the observed differences in TL between our urban and rural populations.

«Although the impact of long - term use of e-cigarettes on health is still unknown,» the study stated, «the available scientific evidence indicates that e-cigarettes are less harmful than combustible cigarettes, and that smokers switching to e-cigarettes could benefit from a decrease in health risks related to smoking combustible cigarettes.»

Given the unusually high case fatality rate from the outbreak (83 %), it is unlikely that titi monkeys are the native host species for TMAdV, and the natural reservoir of the virus is still unknown.

But there's a lot that's still unknown, including just how the mercury is getting into the Arctic food chain, whether it will keep rising, and what could mean for the Inuit way of life.

It is still unknown exactly how the bacteria help to precipitate the gold grains, but is possible that the microbe screens out the gold as part of an effort to detoxify its immediate environment.

But why this H1N1 could become successful at efficient human - to - human transmission is still unknown.

Credit: JJ Hall / Wikimedia Commons NFL legend Junior Seau died today after reportedly shooting himself in the chest, according to various news reports.What prompted the apparent suicide is still unknown.

It is still unknown why locals associate the calls of the two species with the bushmaster.

The idea of eight - finger touch typing was still unknown.

Much is still unknown about where morels grow after a fire, so Larson and his co-authors also propose a conceptual model to guide future research that could explain the mushroom's spatial distribution in burned areas.

Mesgarani agrees that how the brain turns phonemes into meaning is still unknown.

«But there's something still unknown in the mitochondria and mtDNA that's connected to COX activity and Alzheimer's.»

Much is still unknown, but here are some of the basic things we understand about how Ebola and humans interact.

But the fine details of this process, and how it might affect their host galaxies, are still unknown.

Although the causes of ADHD are still unknown, a new study scheduled for publication in The Journal of Pediatrics found that a child's age at school entry may have an effect on the diagnosis of ADHD.

It's still unknown what causes these barrages of radio waves, but at least we now know where one of them comes from — a dwarf galaxy billions of light years away.

However, the impact of the disease on these particular rain frogs is still unknown, and their numbers do not seem to have decreased.

In view of the still unknown physical risks that cloning might impose on the unborn child, caution is appropriate.

Still unknown was what unleashed the deluge.

She added: «The prevalence and prognosis of rHTN is still unknown, but we do know that cardiovascular risk doubles with each BP increment of 20/10 mmHg.

The species features prominently in the cultural fabric of the region, yet much is still unknown about the behavior and ecology of the Andean bear.

In last week's issue of Science, Andrew Zucker, a senior researcher with the Concord Consortium, a Concord, Mass., nonprofit that studies the use of technology in schools, and Daniel Light, a senior scientist at New York City — based Education Development Center, Inc.'s Center for Children & Technology, pointed out that the falling cost of technology is helping computers get a better foothold in the classroom but cautioned that the impact of classroom PCs is still unknown.

The challenge of getting that tree right looms sequoia - high, since so much of the diversity of life lies in complex microbes still unknown to science.

However, it is still unknown where exactly transcription starts and which regularly recurring DNA segments, DNA modifications or structural modifications of the DNA are required to determine the start of transcription.

With frontotemporal dementia the symptoms are caused by dead and dying cells; in depression the root cause is still unknown.

Even after decades of research, many of the details of this force are still unknown.

Furthermore, for reasons still unknown, of the 10 or so models used, different ones make accurate predictions at different latitudes; no single model works over all latitudes, and the mean of all of them is closest to observed data.

As Christoph Grüter of the University of Lausanne in Switzerland, who was not involved in the work, points out, this study highlights how much is still unknown about insect warfare and how it evolved.

It is still unknown whether resveratrol will increase the human life span, but the latest findings have muted some early critics.

Although cereblon's role in the cell is still unknown, Handa and his colleagues think that it might be a link between the drug and better - known developmental genes that direct limb development.

However, it was still unknown whether the MAM alternation was also involved in the other ALS cases.

To study the still unknown pathogenesis of the disease, the researchers developed a mouse model susceptible to the full range of infection by the human parasite.

It is still unknown whether these viruses are two - way and can be transmitted to humans.

Mass is a fundamental but mysterious property of neutrinos that affects many physics theories because the origin of neutrino masses is still unknown.

How strong that prenatal punch may be is still unknown.

It's still unknown to what extent this research, conducted in mice, is relevant to human beings, but the scientists hope that an improved understanding of this process may in the future help prevent certain neurological disorders in babies, caused by disruptions in the mother's immune system.

«We showed that babies are born with flu antigen — specific response, but whether that actually provides clinical protection against infection is still unknown,» Miller says.

Hubble images also had glimpsed a white spot on the dwarf planet, but its nature is still unknown.

That's a start, but it's still unknown which workers do the digging, whether they have this directional bias individually or as a group, or how the number of ants may influence nest size and shape.

Still, studying PTSD in drone operators has been challenging, because a lot is still unknown about how traumatic stress affects regular troops, Cummings said.

Other researchers have found that more than 30 percent of long noncoding RNAs — which carry out several different jobs in the cell, most still unknown — are repurposed transposable elements (SN: 12/17/11, p. 22).

The identity of the pigment is still unknown, but early experiments suggest that it may be related to melanin — the most abundant dark pigment on the planet.

Whether it's the reproductive technology or some by - product of infertility causing the methylation defects is still unknown, but Sapienza plans to tease out the answer in future studies.

«Amazonian shrimps: An underwater world still unknown.»

Yet it isn't that strange that many details are still unknown.

But these approaches can only uncover functions that have already been experimentally described, and much of what is sequenced is still unknown.

The researchers also concluded that the mechanism of phosphorylation was still unknown and actively being investigated.

How this process works in people is still unknown.

«So the exact mechanisms behind the observed increase in risk are still unknown,» explained Dr Jensen, «but it is generally believed that underlying infertility has a more important role in adverse effects in the offspring than the treatment procedures.

«The role of these mutations in the onset and development of disease is still unknown,» says Johan Tisserand, postdoctoral research and co-author of the study who is continuing with the project.