Casey Miner

Think about how much you drive your car. You might drive to work – then you just park your car all day while you’re inside. Or you leave town for a few days – then don’t use your car for the next three weeks. Meanwhile, plenty of other people don’t have cars, but sometimes need them.

What’s the size of a car, but travels 13,000 miles an hour? That would be the Curiosity Mars Rover, which touched down on the Red Planet last night after eight months of travel and what NASA engineers called “seven minutes of terror.”

On today's show, we played a lot of top five bike lists – everything from the top five reasons it's great to bike in San Francisco to the top five tips for being an urban female biker. Listen to them all, plus a few extra, here.

Chris Hoff, KALW sound engineer

Top five bike gripes

5. San Francisco hills. These mighty obstacles have forced the strongest of us to dismount on occasion and walk our trusty steeds up their towering heights. Or, just go around them.

4. Drivers talking on their cell phones. Sweet Fancy Moses.

The Bay Area is one of the country’s centers for food activism – and for the whole idea that local efforts can have big effects on the food system as a whole. Raj Patel is author of the book Stuffed and Starved: Markets, Power and the Hidden Battle for the World’s Food System. The book is a critical look at the inequalities in food access around the world.

The Supreme Court this morning upheld President Obama's healthcare reform law, the Affordable Care Act. We want to know what you think: