SPACE
Saturn moon鈥檚 lake: it鈥檚great for rock-skimming The largest lake on Titan is mirror-smooth, varying in height by less than 3 millimetres, new radar observations show. Seasonal changes may explain why it is so flat
PHYSICS
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Disrupt emergency exits to boost evacuation rates When a packed room has a narrow exit door, people will get out faster if an obstacle is placed in front of the door, physicists have shown
TECH
Magic ink offers full-colour printing in an instant An ink that produces colour in the same way birds and insects do could be used as the basis of a superfast full-colour printer. See our video of M-ink in action
SPACE
Space station science, past, present and future We look at the highs and lows of science on the International Space Station, the $100 billion outpost dismissed by some as an 鈥渙rbital turkey鈥�
REPRODUCTION
Human sex from the inside out Intercourse as you鈥檝e never seen it before: we present the first video of a couple having sex in an MRI scanner. Made from a series of images captured during an experiment some years ago, it has only just been released
BLOG
The perfect David Bowie song? A linguistic analysis by a health psychologist of all the 266 songs recorded by David Bowie has produced what he claims to be the 鈥渋deal鈥� Bowie song. Now he has released it on video, so why not judge for yourself?
TECH
Ultra-pod transport Driverless electric pod-cars will soon be zipping passengers from the car park at London Heathrow to the airport鈥檚 newest terminal. The Ultra personal rapid transit (PRT) system is a world first
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