London: Beachcombers dream of finding treasures as they stroll along sandy beaches, but one dog walker in Wales struck gold as he exercised his pet – and was on Friday $16,700 richer as he found whale vomit. His rare find was a 1.1 kg chunk of whale vomit, known as ambergris, and it sparked a frenzy of interest when it came up for sale Friday at an auction house in […]