2012
![](https://blogmarks.net/screenshots/2012/01/09/f5ad564e462cdb6b29cb67982cdfc335.jpg)
Deadly gamma-rays from an exploding star might have caused a mass extinction
2007
2006
![](https://blogmarks.net/screenshots/2006/12/04/eccf917208bbd4bc1162a80cf4fab435.png)
Scientists fail to find white-flag dolphin in Yangtze river
LiveScience.com - Dinosaurs Information and Pictures
![](https://blogmarks.net/img/default-gravatar.gif)
LiveScience.com - Monkey Information and Pictures
![](https://blogmarks.net/img/default-gravatar.gif)