PHYSICS
Myth of raindrop formation exploded High-speed video footage shows the short lifetime of a raindrop to be a complicated and explosive affair 鈥� and solves a long-standing conundrum of what determines the size of raindrops
IMAGING
Window on the body: CT scans become art Radiologist Kai-hung Fung makes beautiful and informative art from the scans of his patients, and you can see his prizewinning work in our gallery
BLOG
TED: The substance of things not seen We report direct from the TED Global 2009 conference in Oxford, UK, where delegates as diverse as Stephen Fry and David Deutsch will debate such questions as 鈥淲hich universe do we live in?鈥� and 鈥淪hould we fear faith?鈥�
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TECH
Using camera phones as cheap microscopes Healthcare in poor countries could benefit from a cheap, light microscope that straps to a camera phone. Images of blood samples can be sent quickly to clinical centres for analysis
ENVIRONMENT
Galapagos penguins have malaria The Plasmodium parasite has been found for the first time in the blood of an endangered Galapagos penguin
TECH
Tiny gears that make themselves A simple method of constructing the cogs and wheels that keep microscopic motors ticking is to use polymer discs that stretch and buckle into shape. Doing it this way you can even produce complicated 3D bevel gears that are difficult to machine on the microscale
BLOG
Why was Neil Armstrong the first man on the moon? Armstrong was a civilian, while Buzz Aldrin was a military pilot, and ahead of his comrade alphabetically. So how come Armstrong stepped out first?