Gristle detected in Bolt burger #4.

UPDATE: With respect to Bolt Burger #4 an alert reader has pointed out that:"The Nature paper Andrew refers to in 2004 didn't actually come out that year. It appeared in 2003. It is not a science paper, but rather an account of plans to put a big white tarpaulin over the remaining ice cap to preserve it from melt.It contained no research about deforestation. The link to deforestation is based on