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.


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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