La República de las Islas Marshall ha creado su primer santuario marino para proteger dos ecosistemas vírgenes alrededor de los atolones Bikar y Bokak,...
Actualizado
- 11/09/2008 02:00
Creado
- 11/09/2008 02:00
NEW YORK.Turns out women aren't the only ones with an expiration date on their fertility. An emerging body of research is showing that m...
NEW YORK.Turns out women aren't the only ones with an expiration date on their fertility. An emerging body of research is showing that men, too, have a "biological clock." Not only do men become less fecund as they age, but their fertility begins to decline relatively early - around age 24, six years or so before women's. Historically, infertility has been seen as a female issue.
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