Picture this. Static cars, idling engines, angry horns.

Now, picture you, zooming past it all.

Light and breezy.

Ah, the sweet feeling of whizzing past traffic.

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This week, trying times for scientists using fetal tissue in their research.

They have, in many cases, completely refused to talk to the press about the work going on

because they're afraid of lashback from abortion opponents.

And images of the Dwarf Planet series reveal some of its secrets. These pictures are

crazy, right? When you look at them, it looks like the Death Star practically. Plus, the muscle

wasting condition that can worsen outcomes for patients with chronic diseases. This is the nature

podcast for December the 10th, 2015. I'm Adam Levy. And I'm Kerry Smith. If you listen to the show last week,

you'll have heard the solutions to two deep space mysteries. But there are plenty of near-space

conundrums too, and plenty of bodies in our own solar system that we don't know anything about.

Charmany Bundell investigates one such enigma.

In 2007, a spacecraft called Dawn set out for the largest object in the asteroid belt,

a round rocky dwarf planet called series.

In English, it's series, in Italian is Ceres.

Because it was discovered by an Italian astronomer.

That's astrophysicist Maria Christina DeSanctis of the National Institute of Astrophysics in Rome.

Whether you pronounce it, Ceres or Ceres,

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