tag:bbc.co.uk,2008:cps:playlist:story:8094783 Rubbish hunt for $1m mattress An Israeli woman has set off a frantic search through rubbish dumps after accidentally throwing away an old mattress containing her elderly mother's life savings. 2009-06-11T09:27:11Z News 8094783 38255 true tag:bbc.co.uk,2008:cps:advert:story:8094783 tag:bbc.co.uk,2008:cps:ident:news:video:512x288 tag:bbc.co.uk,2008:cps:story:8094783 tag:bbc.co.uk,2008:cps:playlist:story:8091743 Ethical Man makes a pig's ear of being a pig farmer Newsnight's Ethical Man Justin Rowlatt meets Las Vegas' only pig farmer and one of Nevada's leading food recyclers. tag:bbc.co.uk,2008:cps:playlist:story:8072619 Dustbot the street cleaning robot A prototype version of a rubbish-collecting robot that visits your house on demand has been unveiled in Italy.