3-D printed organs offer ultra-realistic practice models

An incision from the surgeon's scalpel sends liquid oozing over the surface of a the lung, but on this occasion it doesn't matter if something goes wrong—the doctor can simply create another model with a 3D printer.

Image: Antarctic mist

As the Northern hemisphere tucks into longer nights, Antarctica bursts into its season of sunlight.

Image: Twilight stars at Concordia

Concordia sits on a plateau 3200 m above sea level. A place of extremes, temperatures can drop to –80°C in the winter, and the Sun does not rise above the horizon in the winter, forcing the crew to live in isolation without ...

Image: The aurora australis over Concordia station

It is cold, dark, dry and isolated with very little oxygen to breathe in the air, but the unique location makes Concordia station in Antarctica an attractive place for scientists to conduct research. The aurora australis ...

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