Mama's Boys

How Mom helps some male monkeys find mates

Living with mom rarely boosts a guy's sex appeal--unless you're a muriqui monkey. In other monkey species, a dominant male may father most of the babies. But a new study of one muriqui troop found 22 infants produced by 13 males. The secret? Males stay in their birth troops, where the stability fosters sharing.

CANCER

Tumor Vaccine

Vaccines are a powerful way to prime the body's immune system to fight bacteria and viruses, so why not use them to confront another unwelcome intruder, cancer? Researchers have tested a shot containing snippets of proteins found on breast- and ovarian-cancer cells, and the...

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