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Thank you. and quote science podcast to receive special offers. Welcome to the science podcast for April 14, 2017. I'm Sarah Crespi. In this week's show,

Eileen Callisanne joins us to talk about implicit bias in artificial intelligence.

Does machine learning teach human prejudice to computers?

And David Grimm is here to give us this week's hits from our online news site.

Now we have David Grimm, editor for our daily news site.

He's here to talk about some recent online stories.

First up, we have a story about record-setting seed dispersal.

Plant seeds are known to go along for the ride, you know, on air, water, on or inside of animals.

Dave, why does seeds do this? What's the point in getting far away from

their point of origin? For one reason, they don't want to have to compete with their parents.

If you go sort of far afield, you might have the land all to yourself. But also, it's really

beneficial for seeds to get eaten by animals somewhat counterintuitively because when they get excreted, they get

deposited with a lot of nutrients.

And actually some of the dung that they end up in can actually be protective elephant dung,

for example, somehow protects seeds from predation by beetles.

Okay, this is a little bit of a hint about the record I mentioned up top. This is for

...