Rico Gagliano and Brendan Francis Newnam, hosts of The Dinner Party, join the show for their weekly booster shot of cultural news.

First, a new study has shown that sparrows have been raising their voices to sing over traffic.

Also, the first cell phone debuted in 1973. The battery lasted twenty minutes.

And in other technological news, Hidden Valley has invented a new way to sell ranch dressing: by using ketchup style bottles.

The Dinner Party airs on Sundays on KPCC at 3 p.m.