News tagged with human population

Genetic risks for type 2 diabetes span multiple ethnicities

A recent large and comprehensive analysis of 50,000 genetic variants across 2,000 genes linked to cardiovascular and metabolic function has identified four genes associated with type 2 diabetes (T2D) and six independent disease-associated ...

Medicine & Health / Genetics

created Feb 09, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Study shows calories drive earlier puberty

(Medical Xpress) -- Environmental pollutants, eating habits, lack of exercise and genetic traits have all been raised as possible causes of earlier puberty onset in girls in recent years.

Medicine & Health / Health

created Feb 09, 2012 | popularity not rated yet | comments 0 | with audio podcast

Economic factors impact orthopaedic trauma volume

Previous studies have found that human behavior during a recession is remarkably different than that during a bullish economy. For example, people tend to spend more time focused on working and less time engaging in leisure ...

Medicine & Health / Other

created Feb 07, 2012 | popularity not rated yet | comments 0

New taste for Thai elephant meat

(AP) -- A new taste for eating elephant meat - everything from trunks to sex organs - has emerged in Thailand and could pose a new threat to the survival of the species.

Biology / Other

created Jan 27, 2012 | popularity not rated yet | comments 5

Marine mammals on the menu in many parts of world

The fate of the world's great whale species commands global attention as a result of heated debate between pro and anti-whaling advocates, but the fate of smaller marine mammals is less understood, specifically ...

Biology / Ecology

created Jan 24, 2012 | popularity 5 / 5 (1) | comments 5

Therapeutically useful stem cell derivatives in need of stability

Human stem cells capable of giving rise to any fetal or adult cell type are known as pluripotent stem cells. It is hoped that such cells, the most well known being human embryonic stem cells (hESCs), can be used to generate ...

Biology / Cell & Microbiology

created Jan 24, 2012 | popularity not rated yet | comments 0

New malaria maps to guide battle against the disease

A new suite of malaria maps has revealed in unprecedented detail the current global pattern of the disease, allowing researchers to see how malaria has changed over a number of years.

Medicine & Health / Diseases

created Jan 23, 2012 | popularity not rated yet | comments 0

Scientists find link between gene and sensitivity to emotional environment

Researchers at the University of Essex have shown that a genetic variant could make some people more sensitive to their emotional environment - and more susceptible to anxiety disorders - than others. The study, funded by ...

Medicine & Health / Psychology & Psychiatry

created Jan 13, 2012 | popularity 5 / 5 (1) | comments 0

The microbiome and disease: Gut bacteria influence the severity of heart attacks in rats

New research published online in the FASEB Journal (http://www.fasebj.org) suggests that the types and levels of bacteria in the intestines may be used to predict a person's likelihood of having a heart attack, and that manipulating ...

Medicine & Health / Research

created Jan 13, 2012 | popularity not rated yet | comments 0 | with audio podcast

Scientists urge balance in the war on antimicrobial resistance

Scientists are urging policymakers to reconsider priorities in efforts to understand and control antimicrobial resistance. The new research, published today, was led by Royal Veterinary College Principal Professor Stuart ...

Biology / Cell & Microbiology

created Jan 05, 2012 | popularity not rated yet | comments 0

The bigger picture of population genomics

Not so long ago it was the work of many years to sequence the genome of a single organism: the human genome project, for example, took many laboratories a total of 13 years to complete. The availability of so-called next-generation ...

Biology / Biotechnology

created Jan 05, 2012 | popularity not rated yet | comments 1

Scientists perform large asian genome-wide association study on kidney disease

Singapore and China scientists, headed by Dr Liu Jianjun, Senior Group Leader and Associate Director of Human Genetics at the Genome Institute of Singapore (GIS) and Dr Yu Xueqing, a nephrologist at the 1st Affiliated Hospital ...

Medicine & Health / Genetics

created Dec 29, 2011 | popularity not rated yet | comments 0

Genetic diversity: Crucial for our survival in many ways

(Medical Xpress) -- Thanks to the sequencing of the 27 known human interferon genes, researchers from the Institut Pasteur and the CNRS reconstruct the genetic history of these proteins so central for our immune system, and ...

Medicine & Health / Genetics

created Dec 20, 2011 | popularity 4 / 5 (1) | comments 0

Resequencing 50 accessions of rice cast new light on molecular breeding

BGI, the world's largest genomics organization, announced that a study on resequencing 50 accessions of cultivated and wild rice was published online today in Nature Biotechnology. The study provides one of the largest genome ...

Biology / Biotechnology

created Dec 11, 2011 | popularity 2 / 5 (1) | comments 0

New paper calls for strong steps to tackle antibiotic resistance

Shahriar Mobashery, a University of Notre Dame researcher, is one of the coauthors of a new paper by a group of the world's leading scientists in academia and industry that calls for strong steps to be taken to control the ...

Medicine & Health / Medications

created Dec 08, 2011 | popularity 5 / 5 (1) | comments 0 | with audio podcast

World population

The term world population commonly refers to the total number of living humans on Earth at a given time. As of 29 July 2009, the Earth's population is estimated by the United States Census Bureau to be 6.774 billion. The world population has been growing continuously since the end of the Black Death around 1400. There were also short term falls at other times due to plague, for example in the mid 17th century (see graph). The fastest rates of world population growth (above 1.8%) were seen briefly during the 1950s then for a longer period during the 1960s and 1970s (see graph). According to population projections, world population will continue to grow until around 2050. The 2008 rate of growth has almost halved since its peak of 2.2% per year, which was reached in 1963. World births have levelled off at about 134-million-per-year, since their peak at 163-million in the late 1990s, and are expected to remain constant. However, deaths are only around 57 million per year, and are expected to increase to 90 million by the year 2050. Since births outnumber deaths, the world's population is expected to reach about 9 billion by the year 2040.

For more information about World population, read the full article at Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.