Scientists have discovered that at the same time the immune system is vigorously attacking invading viruses or bacteria, it is unexpectedly reducing its production of a particular type of factor that directs the movement of immune cells. The new finding, which could help explain the transient immune suppression often seen during acute infections, shows that the immune system is even more complex than previously believed.

Scientists have discovered a new enzyme involved in the degradation of proteins inside cells, a process that helps eliminate or recycle proteins that are no longer needed. The unexpected discovery overthrows the idea that protein degradation is initiated by only one enzyme. Also, the new enzyme is very highly expressed in the testis, which could provide a new understanding of male fertility.

Unless much is done to prevent habitat destruction, the continent's most vulnerable mammal species - such as the Iberian lynx - could disappear

Shadowrun-inspired knife heist ends in chokey

A 45-year-old man who "blurred the line between reality and make believe" and adopted the character of magical elf Buho from Shadowrun to rob a Belfast lingerie store at knifepoint, has been brought down to Earth with a two-year jail sentence, The Times reports.