Slashdot contributor: "So it looks like we might soon have near immortal, fearless mice."

:D

Here are the relevant stories:

The Guardian: Geneticists claim ageing breakthrough but immortality will have to wait

• Organisms live six times longer in laboratory tests
• Cells genetically 'tricked' into slow-ageing mode

New Scientist: Gene turn-off makes meek mice fearless

Via, of course, Slashdot.