Sentences with phrase «low number of humans»

The researchers do not rule out human intervention entirely, however, because some disputed archaeological evidence suggests a low number of humans may have been present at the time.

Not exact matches

However, the data also reveals that it tends to be a weaker driver in lower Human Development Index (HDI) regions, pointing to a need for technology transfers for a number of opportunities to take off.

For example, in addition to having higher levels of genetic diversity, populations in Africa tend to have lower amounts of linkage disequilibrium than do populations outside Africa, partly because of the larger size of human populations in Africa over the course of human history and partly because the number of modern humans who left Africa to colonize the rest of the world appears to have been relatively low (Gabriel et al. 2002).

They say further that even if one does not equate a fetus with a child, as long as one attributes some value to the fetus» and they demonstrate how economists routinely make such outrageous calculations in insurance claims for loss of body parts» and put the value as low as one hundredth of a human being, the lowered crime rate would not come near justifying the number of abortions.

Even though mothers» bodies are capable of miraculously growing a human being for nine months and bringing that precious new life into the world, those same life - giving bodies seem to be failing in ever - increasing numbers to provide life - giving nutrition to those precious babies because of issues with low milk supply.

Research in the United States, Canada, Europe, and other developed countries, among predominantly middle - class populations, provides strong evidence that human milk feeding decreases the incidence and / or severity of diarrhea,1 - 5 lower respiratory infection,6 - 9 otitis media,3,10 - 14bacteremia, 15,16 bacterial meningitis, 15,17 botulism, 18 urinary tract infection, 19 and necrotizing enterocolitis.20, 21 There are a number of studies that show a possible protective effect of human milk feeding against sudden infant death syndrome,22 - 24insulin - dependent diabetes mellitus,25 - 27 Crohn's disease, 28,29 ulcerative colitis, 29 lymphoma, 30,31 allergic diseases,32 - 34 and other chronic digestive diseases.35 - 37 Breastfeeding has also been related to possible enhancement of cognitive development.38, 39

Excess amounts from human activities often end up in rivers, streams and coastal environments, causing algal blooms, loss of sea grass and low oxygen levels in the water, which can kill large numbers of fish and other organisms.

That finding indicates that very low numbers of the cells in the body could be enough to protect human patients from maladies ranging from infections to cancer.

Joe Reiss, vice president of marketing at manufacturer American Science and Engineering (AS&E) in Billerica, Mass., says low - atomic - number elements such as carbon, oxygen, hydrogen and nitrogen — common constituents of explosives — create a strong scattering effect visible in images that operators monitor on a screen yet discernible from the organic molecules in the human body.

«In this study, we were able to observe the existence of microscopic disease and low numbers of bacteria, which would be difficult to «see» in humans but could possibly be the cause of the variable and nonspecific symptoms that are characteristic of post-treatment Lyme disease syndrome.

Due in part to increased human consumption of krill as fish stocks run low, blue whale numbers are only 3 % of what they were in the 1800s.

While the total number of human bites was highest in low - income areas, the proportion of mosquitoes feeding on people (50 %, by Ae.

These nutrients end up in rivers and streams as the result of human activities and can cause algal blooms, loss of seagrass and low oxygen levels, which can lead to large numbers of fish and other organisms dying.

This is because only single or a handful of entangled photons can be produced with the available technology, and this number is too low for the human eye to perceive these photons as light.

While this number is higher than the previous estimate made in the late 1990s based on ground measurements, the new research includes data on more volcanoes, including some that scientists have never visited, and it is still lower than human emissions of sulfur dioxide pollution levels.

This is consistent with recent findings that AMY2B copy number is highest in modern dog populations originating from geographic regions with prehistoric agrarian societies, and lowest from regions where humans did not rely on agriculture for subsistence34 and supports the claim that the expansion occurred after initial domestication (possibly after the migration of dingoes to Australia 3,500 — 5,000 years ago) 34.

A growing number of human studies suggest that a low plasma Aβ42 / Aβ40 ratio is a risk factor for major depression, 45, 46 dementia47 and higher mortality.48 The Framingham Study also showed that increased plasma Aβ42: Aβ40 ratios are associated with decreased risk of AD and dementia.13 Thus, the higher Aβ42 / Aβ40 ratio observed in regular meditators at baseline and the increase in this ratio from pre - to post intervention in the novice meditator and vacation groups may be salutary to brain health.

I am nowadays more convinced than I formerly was by the arguments of the «obligate terrestrial school»; for example Latimer (1991) lists quite a number of features of the lower limb that resemble the human condition and no other, such as that the hallux (big toe) of A. afarensis is not abductable as would be required for grasping.

The response points out that allowing such research would not only overcome some of the problems of low availability of human eggs but also, if animal eggs were sourced from abattoir material, could contribute to a reduction in the number of animals used specifically for research.

However, too much and constant stress over a long period of time will have a negative impact on the dopamine levels in the body, lowering its levels as well as reducing the number of dopamine receptors in the human brain.

Not getting enough sleep has a huge number of negative physical side effects, like decreased muscle mass, poor recovery, lower testosterone and human growth hormone levels (important for women, too!)

Coupled with the substantial number of animal studies that show improved blood sugar regulation following strawberry intake, as well as the low GI value for strawberries and their provision of nutrients like folate, we expect to see future studies that document the benefits of strawberries for lowering risk of type 2 diabetes in humans, and also perhaps also for improved blood sugar regulation in persons already diagnosed with this condition.

So has the Leadership Conference on Civil and Human Rights, writing in a letter last month that «the federal government must no longer be expected to subsidize the inequitable funding of public schools serving high numbers of low - income students.»

The 2015 Health Profile of India, compiled annually by the Central Bureau of Health Intelligence, lists just 104 medically confirmed human rabies deaths in 2014, the lowest number on record; new lows were also achieved in 2011 and 2013.

Official records from health departments and animal control agencies across the country show that the number of dog bites have plummeted to historic lows, despite the significant increase in both the human and dog population.

Purebred dogs are the only system for undertaking this study for a large number of reasons, including low within - breed genetic diversity, high between - breed morphological diversity, and similarity to humans.

Now that we humans have destroyed the majority of salmon spawning habitat, prey numbers are so low in some years that killer whales have starved and been unable to give birth.

There have been an average of six deaths per year over the past decade, a remarkably low number given the billions of human - hours spent in the water annually

From Rasmussen Reports Voters in recent months have been increasingly skeptical of the idea that global warming is chiefly caused by human activity, but the number who blame long term planetary trends instead has now fallen back to its lowest level in nearly a year.

Investments in human capital are low, inequality is high, a regionalized world leads to reduced trade flows, and institutional development is unfavorable, leaving large numbers of people vulnerable to climate change and many parts of the world with low adaptive capacity.

This is so because in addition to the theological reasons given by Pope Francis recently: (a) it is a problem mostly caused by some nations and people emitting high - levels of greenhouse gases (ghg) in one part of the world who are harming or threatening tens of millions of living people and countless numbers of future generations throughout the world who include some of the world's poorest people who have done little to cause the problem, (b) the harms to many of the world's most vulnerable victims of climate change are potentially catastrophic, (c) many people most at risk from climate change often can't protect themselves by petitioning their governments; their best hope is that those causing the problem will see that justice requires them to greatly lower their ghg emissions, (d) to protect the world's most vulnerable people nations must limit their ghg emissions to levels that constitute their fair share of safe global emissions, and, (e) climate change is preventing some people from enjoying the most basic human rights including rights to life and security among others.

This is so because: (a) it is a problem mostly caused by some nations and people emitting high - levels of greenhouse gases (ghg) in one part of the world who are harming or threatening tens of millions of living people and countless numbers of future generations throughout the world who include some of the world's poorest people who have done little to cause the problem, (b) the harms to many of the world's most vulnerable victims of climate change are potentially catastrophic, (c) many people most at risk from climate change often can't protect themselves by petitioning their governments; their best hope is that those causing the problem will see that justice requires them to greatly lower their ghg emissions, (d) to protect the world's most vulnerable people nations must limit their ghg emissions to levels that constitute their fair share of safe global emissions, and, (e) climate change is preventing some people from enjoying the most basic human rights including rights to life and security among others.

Although human population numbers were low through most of history they could have quite extensive impact, especially through use of fire.

But the speculation has been one - sided, with talk of human influences on tornadoes following disasters, but little about whether human influences have acted as a brake on their numbers after anomalously low activity.

Multidisciplinary Practices: The increasing number of multidisciplinary practices and the employment of non-lawyer professionals will continue to perform more of the administrative and quasi-legal services performed by law firms, but at lower cost, i.e., ancillary services, in private law firms of all sizes and specialties including human resources training outsourcing, real estate title services, wealth management services for money and investment management, etc..

Parental separation may also expose children to loss of social, economic and human capital.4, 14 Other explanatory factors may derive from characteristics typical of separating parents such as lower relationship satisfaction and higher conflict levels also before the separation.4 The rising numbers of children with JPC have concerned child clinicians as well as researchers on the subject.20, 21 Child experts have worried about children's potential feelings of alienation from living in two separate worlds, 20 — 22 increased exposure to parental conflict12, 22 and other stressors that JPC may impose on a child.22 Such daily stressors may be long distances to school, friends and leisure activities, lack of stability in parenting and home environment and a need to adjust to the demands of two different family lives.12, 22 The logistics of travelling between their homes and keeping in contact with friends has been stated as a drawback of JPC in interview studies with children.23 — 25 Older adolescents, in particular, indicated that they preferred to be in one place.23