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Welcome to the Science Podcast for February 27, 2015.

I'm Suzanne Bard filling in for Sarah Crespi.

In this week's show, we have David Grimm up first with some online news stories, and then we hear from Sarah Mitchell

about the influence of sexual trade evolution on malaria transmission.

Support for the science podcast is provided by AAAS, the American Association for the Advancement

of Science, advancing science, engineering, and innovation throughout the world for the

benefit of all people. Triple AS, the Science Society. Now we have David Grimm, editor for our daily

news site. He's here to talk about some recent online stories. I'm Suzanne Bard. Our first story today

should be welcome news to parents of premature infants.

Because they're born early, their brains haven't developed as fully as they could have for processing

sounds in the outside world. But a new study of preemies suggests that a little early intervention

can turn this deficit around by simulating a more womb-like environment. How did they do that, Dave?

Well, what they did is they actually took recordings of the mother's voices, and they had the

mothers sing things like twinkle, twinkle, little star, or read, Good Night Moon, and then they

pumped these sounds into the incubators where the premature babies were living.

...