Face value: How fertile women spot rivals

It is not only animals that rely on physical cues to gauge the fertility of potential rivals for a mate, an unusual study asserted on Wednesday.

Surprising results in a new study on childbearing and education

In almost every country, women with more education have fewer children. But does education reduce childbearing, or does childbearing get in the way of education, or both? New research by Joel E. Cohen and colleagues in Norway ...

Many US women have children by more than one man

The first national study of the prevalence of multiple partner fertility shows that 28 percent of all U.S. women with two or more children have children by more than one man.

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