Newport Beach surfers run from sick sea lion

Surfers in Newport Beach were seen on camera running from what appeared to be an attacking sea lion. Experts say they've been overwhelmed by the number of sea animals sickened by the algae bloom.

What does a 100-year flood actually mean?

Weather forecasters often use terms like "100-year" or "500-year" floods. Here’s what those terms really mean and why these extreme events are happening more frequently.