Vocabulary word for the day: Mammatus, meaning, essentially, "boob-like." Just to be clear: this is a science post on meteorology, not Latin... and not biology.

The Mammatus cloud is an unusual formation that makes the sky looks like it evolved udders. Although not uncommon, few would have seen this kind of formation because it forms during thunderstorms, and will last no more than five to ten minutes. More exposure in the full article.

Ready for another nice bunch of high-definition releases for your Blu-ray player? We have them right here in this edition of On Blu-ray This Week. We've got everything from brain-sucking space bugs, costumed heroes, tenors, and rock gods. See the full article to view the complete list of movies.

Herman Hulst, managing director of Guerrilla Games, admitted that they had a lot of expectations to live up to while developing the sequel to the 2003 PS2 title, Killzone. In a video interview conducted by BBC News, Hulst talked about how Killzone 2 was currently coming along and how they planned to achieve their goals upon its release. Find out more about what he said in our full article.

Trading standards officers in the UK are reporting the possible influx of unsafe chargers for handheld game consoles and various other gadgets, with one brand possibly causing overheating or electrocution. Learn more after the jump.

Go!View's up and running at the UK and Ireland right now folks! If you're from the area and you want to know if it's worth checking out, we tell you it is. But don't take our word for it. Go right now to our full article to read up on more nitty-gritties concerning this service.

A new environmental disaster was spotted in southern Texas when a widening sinkhole as long as two football fields ended up swallowing an 18-wheeler truck and some oil equipment. Officials from Liberty County mentioned that there were no casualties so far and that the formation posed no threat to civilian areas. You can find out more about this by reading our full article after the jump.

Dr. Tanya Byron has raided airwaves again with her latest endeavor with video games. After her six-month review of game violence, she was able to write and front a BBC TV show wherein she linked playing video games to heroin addiction. More details can be found in the full article.

It seems the PS3's homebrew iPlayer has caught the attention of the BBC. Anthony Rose, the BBC's head of digital media technology, has said that an official iPlayer release for the Sony console will be out "in due course". More in the full article.

Sony and Microsoft have always trumpeted the next-gen multimedia capabilities of the PlayStation 3 and Xbox 360. But why is the iPlayer, the popular online video service from the British Broadcasting Corporation (BBC) with the Nintendo Wii instead? BBC's Darren Waters sheds some light over at the full article.

Heads up, Nintendo Wii owners! A new firmware update now available for download, and it could be as hefty as the previous IOS37 version. There's no changelog available, but you can learn more by heading over to the full article.