barrels may cause. and looking high into the sky, warning alarms wake up the crew op. board the international space station today, a power spike we're told forced a cooling loop and other systems to shut down. the crew wasn't in any danger and went back to sleep shortly after the alarm went off, but an engineer did stay away to troubleshoot the problem. it is shark week, you know it by now, and you love it by now. they've been doing this for 20-plus years and they're kicking off another week. we have one of the shark experts along coming up that helped the discovery channel put this week together and he's going to help us better understand what this week is about but also understand these creatures and just what our fascination is with sharks.