All that plus another installment of "John Roderick: Famous Prognosticator" and art by cartoonist Jim Rugg.

ENGADGET

Speaking of gifts, we've got two huge presents in the form of songsters Jonathan Coulton and John Roderick, who will be playing a trio of brand new holiday classics off their new record, One Christmas at a Time.

ENGADGET: The Engadget Show 39: Holiday Spectacular with Jonathan Coulton, John Roderick and Ben Heck

Next up, things get a bit animated with Packing for Mars author Mary Roach, who will discuss the grosser side of manned space travel, while professional prognosticator (and sometimes rock musician) John Roderick kicks off his new reoccurring segment by explaining how space exploration helps him get out of bed in the morning.

ENGADGET

Pc Nigel Cowley, Det Con John Donohue, Pc Roderick James-Bowen and Pc Mark Jones all deny assault occasioning actual bodily harm.

BBC: Police officers 'attacked' terror suspect Babar Ahmad