The Marcott et al. hockey stick study published in the journal «Science» has now been debunked as bogus AGW science due to blatant data and statisitical manipulations - the author's own PhD thesis is corraborating audit evidence that charlatan - style science is required to produce hockey stick blade (c3headlines.com)
A multi-proxy hockey stick blade, which provides proof that modern warming is «unprecedented,» can be fabricated from any number of individual records using several «statistical» techniques (c3headlines.com)
Since the original 73 dataset thesis did not have the proverbial «blade,» the Marcott et al. study chose to literally change (manipulate) multiple paleo - dataset ending dates to fabricate a bogus hockey stick blade (c3headlines.com)