See chicken develop on drugs through a cracked eggshell
Peek inside two eggs containing moving, developing chicks to see how giving one a muscle stimulant can have a life-long effect on its body shape
Eureka relived: Spark of genius proved truth of light
Heinrich Hertz's 19th-century experiments proved electricity and light were connected – and recreating them shows what a tour de force they were
Epic cosmic radio burst finally seen in real time
They're over in a flash, but a mega-powerful radio burst has finally been spotted in real time, rather than in old data, giving clues to their mysterious origin
Forget grown-ups: apps can let kids teach themselves
The man running the Global Learning X Prize contest explains why it is offering $15 million to develop tablet software that teaches kids basic literacy
Eureka relived: Gunpowder blasts from the past
Gunpowder was a favourite toy of early scientific experimenters. So we were keen to see the enigmatic explosive in action in a replica 17th-century test rig
Eureka relived: Alchemy that's more than magic
Recreating the convoluted preparations of alchemists reveals a world of painstaking chemical experimentation beyond funny robes and pointed hats
First anti-obesity electronic implant wins US approval
A new device to treat obesity blocks nerve signals between the brain and stomach to suppress appetite – but its effects are small
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