This fourth Saw film takes a different path to thus which preceeded it.
The film digs into the backstory of Jigsaw, although its fair to say that it soon becomes a platform to layer on some more deadly traps. It flashes between the past and present day events and we find out what John does and why he does it.
Fans need not despair though, there's still the usual elaborate traps, torture devices and grisly tasks for a number of unfortunate victims.
Tools designed to ensure computer code in smart cars does not crash has been inspired by hungry penguins.
The rounded sleeping capsules send guests drifting into ocean before arriving on desert island by morning.
Sitting on the saddle activates the part of the brain responsible for learning, a study has claimed.
Scientists are appealing for more people to donate their brains for research after they die.
Life on Earth may have arrived from Mars on an asteroid, scientists have claimed.
Lunar mission scheduled at the end of 2017 could find out if beer can be brewed on the moon.
A bottle used to teach children how far litter can travel ended up on Scottish beach after 8,700-mile journey.
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