This episode is presented by eBay.

Rob, everyone loves a deal and a bargain from time to time, don't they? Absolutely, mate. And you know where you can grab a great deal? Talk to me. Where? The eBay app. Yes, you are correct. You didn't need to talk to me. I already knew it. I love eBay. When you're buying, you can discover loads of hidden gems. there's so many items where you think I would have never found that anywhere else.

Then when you're buying, you can discover loads of hidden gems. There's so many items where you think I would have never found that anywhere else. Then when you're selling, it's so simple and most

importantly, free. It's free, Rob. When it's this easy to sell for free and there's great deals

on things you love. You can't help but say when it's eBay. It excludes vehicles and business

sellers.

Welcome to Scientific Americans Science Talk posted on January 30th, 2015. I'm Steve Mursky. On this episode, in 1990, under five mortality, one in ten kids and the globe

died under five. Just so unacceptable, so not okay.

That number is one in 20 this year.

It's expected to be one in 20.

So cut in half.

That's Dr. Susan Desmond Hellman, the chief executive officer of the Bill and Melinda Gates Foundation.

She's an oncologist and was formerly

Chancellor of the University of California at San Francisco, where she remains a member of the

faculty. During her training, also at UCSF, she spent two years as a visiting faculty member

at the Uganda Cancer Institute studying HIV, AIDS, and cancer. On January 26, Desmond and Scientific American Editor, Chief Mariettee Christina,

sat down together here in New York City for a far-ranging discussion about the goals

the Gates Foundation set forth in its recently released annual letter.

You'll hear me pipe up as well.

I understand you have some news for us this year about why 2015 is so important as far as

public health and development.

2015 is a very significant year for the Bill and Melinda Gates Foundation.

...