This is SCIENCE FRIDAY, I'm Ira Flatow. Of course we'll be keeping you up to date this hour on the shooting spree that's been going on in Newtown, Connecticut. But first something different. When Alan Alda was 11, he asked one of his teachers: What is a flame? The answer he got back was oxidation. Accurate, yeah, but not very helpful.
For three consecutive weeks, the Egyptian opposition has called mass protests against a controversial draft constitution that Egyptians are being asked to vote on beginning Saturday.
At each rally, protesters chanted against the document and its key proponents: The Muslim Brotherhood and President Mohamed Morsi, who was among the group's leaders before he was elected Egypt's president.
But the opposition appears to be losing momentum, while the Islamists still appear to be going strong.
"In recent weeks, new lines of attack have been raised to malign my character and my career. Even before I was nominated for any new position, a steady drip of manufactured charges painted a wholly false picture of me."