An increasing number of men suffer from fertility problems, especially in western society. The general belief is that many problems may be related to stress but it is possible that some of them may arise because men simply ...
Plants & Animals
Dec 4, 2012
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Projections that global population growth will level out in coming decades are not assured, an expert said Wednesday, adding that just a one-child difference in global fertility would mean an extra 10 billion people by century's ...
Social Sciences
Oct 8, 2012
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The world's science academies on Thursday warned the upcoming Rio Summit that Earth faced a dangerous double whammy posed by voracious consumption and a population explosion.
Environment
Jun 13, 2012
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Fears that sex-linked chromosomes, such as the male Y chromosome, are doomed to extinction have been refuted in a new genetic study which examines the sex chromosomes of chickens.
Biotechnology
May 8, 2012
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With longer and warmer days, wheat seeding and fertilizing has begun across the state. Using the right fertilizer source, rate, timing and placement is important for optimal production. Montana State University Extension ...
Other
Apr 24, 2012
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The world's surging population is a big driver of environmental woes but the issue is complex and solutions are few, experts at a major conference here say.
Environment
Mar 27, 2012
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Already straining to host seven billion souls, Earth is set to teem with billions more, and only a revolution in the use of resources can avert an environmental crunch, experts say.
Social Sciences
Oct 23, 2011
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(PhysOrg.com) -- Federal family planning programs reduced childbearing among poor women by as much as 29 percent, according to a new University of Michigan study.
Social Sciences
Aug 31, 2011
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Over the last two decades women in Britain had fewer children than they originally intended, according to a study by the ESRC Centre for Population Change at the University of Southampton, published today in the ONS publication ...
Social Sciences
Sep 24, 2010
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(PhysOrg.com) -- A new report from CSIRO identifies five global megatrends and eight megashocks that are changing the world.
Economics & Business
Apr 23, 2010
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