Here in Washington, House Speaker John Boehner addressed a major economic issue this morning. In a press conference, the Republican talked about the so-called fiscal cliff. That's the combination of higher tax rates and spending cuts due to take effect at the end of this year.
Cody ChesnuTT is the best sort of egomaniac. He places himself at the center of his musical universe; he contains that universe within him. On his new album, Landing on a Hundred, he sings one song in the voice of the entire continent of Africa.
This is SCIENCE FRIDAY. I'm Flora Lichtman. In his new book "Hallucinations," Oliver Sacks writes that you see with your brain, not with your eyes. And his book suggests our brains can play some bizarre tricks on is. Dr. Sacks describes a musician who sees intricate but unplayable sheet music superimposed on his field of vision.
Here's a big, giant question for you: Why do we believe what we believe? And how is it that two people can look at the exact same set of circumstances and see two completely different things? That philosophical question is at the center of a new book where, to put it another way, one person's beautiful miracle is another person's ecological crisis.
And one last salute to science before the weekend. Here are some news you can raise the glass to. Microbiologist Tomas Villa and colleagues report that they may be able to bioengineer better beer foam. That's right.
TOMAS G. VILLA: Beer foam. Foam is what you like the most in a beer. And a beer drinker wants foam to stay longer, right?
LICHTMAN: Of course. And the secret to long-lasting froth, proteins, produced by barley and yeast during fermentation.