Jul 29 2011
Population to Bulge, But Will Hit Ceiling
Speculation on population numbers raise questions about whether the planet can sustain us all.
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Jun 30 2011
Handwashing Cuts Flame Retardant Exposure
Worried about the flame-retardants PBDEs? Handwashing is a good idea, research shows.
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May 03 2011
Sperm Led Astray by Faulty Navigator
One in 20 men with otherwise healthy sperm could be infertile because of a defective protein.
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Feb 04 2011
Stone Age Fertility Ritual Object Found
Etchings on a carved elk antler dating to nearly 11,000 years ago, suggest it may have been used as a fertility object.
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Dec 28 2010
Cancer Vaccine Developed — And Ignored
A vaccine against HPV is now approved for use against anal cancer, yet few people are using it.
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Dec 23 2010
Teen Birth Rate at All-Time Low
Why the drop? Some credit the recession. Others point to increased use of birth control among teens.
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Dec 22 2010
One Better Than Twins for In-Vitro
A study finds the chances of giving birth safely with IVF increases if women have just one embryo transplanted, rather than two.
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Dec 02 2010
BPA May Inhibit Pregnancy
Exposure to the chemical BPA very early in life might make it hard to get pregnant later on.
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Aug 18 2010
Cloning Has Terrible Trade-Offs
Self-cloning aspens may seem to have the secret to immortal life, but research shows cloning has its limits.
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Jul 16 2010
One Sperm Gene For All Animals
What do squirrels, corals, beetles and man have in common? Sperm.
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