10:00Malcolm BoydenHow safe are our fridges? And knuckle-cracking: the scienceBBC Hereford & Worcester Duration: 3 hours Thu 5th Apr 2018, 10:00 on BBC Hereford & WorcesterA cracking new theory as to why knuckles make *that* sound. And we investigate fridges and just how safe they really are.GenresEntertainmentBrandMalcolm Boyden Source: BBC Online