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FRIDAY, NOVEMBER 27, 2009
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NEWS ABOUT: nature vs. nurture

nature vs. nurture stories: 5 news summaries

Dolphins' Hunting Tools Mostly Used by Females

Dolphin moms pass skills on to daughters; males do their own thing

Dec 26, 08 12:44 PM CST
(Newser) - Beside humans, few other animals use tools to get their everyday chores done. Even fewer of them are marine mammals, so researchers in Australia were surprised to catch bottlenose dolphins employing conical sponges to dig in the seafloor. Mostly female dolphins use the snout-protectors, and only if their mothers showed... More »

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Australia • nature vs. nurture • dolphins • marine mammals • marine biology • tools

Obesity Genes Mainly Affect
Your Brain

DNA behind appetites, tastes, and how likely we are to feel full: study

Dec 15, 08 10:33 AM CST
(Newser) - Overeating is all in your head, but you can blame that on your DNA, the Times of London reports. Of the seven gene variations connected with obesity, five affect the brain’s wiring, suggesting that an inherited tendency toward slimness has more to do with appetite and impulse control than... More »

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obesity • diet • eating • overeating • nature vs. nurture • genetic research • health research

Cheating, Corruption Rampant in Ant Society

Secret elite exploits workers with its DNA

Mar 13, 08 12:00 PM CDT
(Newser) - A power-mad elite is secretly rigging the system so their offspring rise to power, LiveScience reports. That’s the situation a team of researchers has discovered in ant society—not exactly the epitome of community collaboration once thought. Until now, it appeared that any properly-fed larvae could hatch into a... More »

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evolution • DNA • ants • nature • animal behavior • larvae • nature vs. nurture • queen ants

Even Babies Know Friend From Foe

In study, infants show social judgment
long before they can talk

Nov 21, 07 7:50 PM CST
(Newser) - Babies know how to pick out friends from enemies even before they can talk, a new study suggests. The findings could mean that such social behavior is innate rather than learned from parents, said researchers at Yale University. In the study, babies 6 to 10 months old clearly preferred playing... More »

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Yale University • baby • nature vs. nurture

Twins Split by 'Science' Reunite

Elyse Schein and Paula Bernstein raised in different families as part of scientific study

Oct 1, 07 2:29 PM CDT
(Newser) - Three decades into a bizarre nature-versus-nurture experiment, Elyse Schein abruptly discovered she and a twin sister had been separated at birth and adopted into separate homes—all in the name of science. They eventually found each other in 2004, and now talked with CBS about their new memoir, Identical ... More »

MORE ABOUT:
ethics • twins • science • science experiment • nature vs. nurture • separated at birth

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