Don't abandon ship! How to salvage a mega-vessel
Refloating the Costa Concordia pushed salvage technology to the limit – and a new generation of monster ships will be even harder to rescue
Gift guide: Our pick of the best science books
CultureLab's pick of science books that would make great gifts
Music helps you frame the perfect smartphone snap
A smartphone app plays sad music when you frame a photo badly but rewards you with sweet harmonies when faces are in shot
Who should pay for climate change disasters?
The UN climate talks in Warsaw have ended with an agreement to protect vulnerable populations against the "loss and damage" caused by extreme weather
Nose to beak with a Christian hero heavyweight champ
Not only is the Dalmatian pelican the heaviest flying animal in the world, it's an ancient Christian symbol too
Robotutor marks the homework of a class of thousands
No human teacher can keep up with thousands of students in massive open online courses. Smart software can now stand in, offering personalised guidance
Souped-up bacteria clears hookworm from hamster guts
A genetically modified version of an ingredient used in a Japanese soybean dish has cured hookworm infections in hamsters – and could one day work in humans too
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