Her work revealed that males who did not get enough food as nestlings have a smaller range of songs.

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Actually, those numbers refer to 17 million children who live in households where there is a struggle to get enough food.

NPR: Child Hunger: Nutritious Food Tough To Afford

What about the millions in Africa who can't even get enough food to eat or the natives in South America who have no idea what technology is?

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Philippe Conraud, Oxfam country director in Mali, said if the traders did not return soon, it could become "very difficult for people to get enough food to feed their families".

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But within those numbers, the Agriculture Department believes that there are about half a million to a million children who in fact do during the course of the year have to miss meals and don't get enough nutritious food.

NPR: Child Hunger: Nutritious Food Tough To Afford

"We learned how to get by when there was not enough food in the house for the kids, " Chris said.

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It's not just getting enough food, but you also it's the issue of what food you do get and what choices you make with the food that you do get.

NPR: Child Hunger: Nutritious Food Tough To Afford

Trials in several dozen patients might be enough to get approval from the U.S. Food and Drug Administration.

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But pharmaceutical companies get far fewer years of sales than that because it can take eight years or more after invention to accumulate enough data to get a drug past the U.S. Food and Drug Administration.

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That pays the electricity bill and buys water and food for her 12 family members, but it isn't enough to get them a decent home away from the smelly, sooty refuse.

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