Science & technology | Medical marijuana

Reefer madness

Marijuana is medically useful, whether politicians like it or not

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This article appeared in the Science & technology section of the print edition under the headline “Reefer madness”

On top of the world: Goldman Sachs and the culture of risk

From the April 29th 2006 edition

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Kawasaki’s off-road personal mobility vehicle Corleo.

Companies have plans to build robotic horses

One diminutive design is aimed at children

Illustration of a guinea pig with headphones.

Compressed music might be harmful to the ears

In guinea pigs it can weaken muscles important for hearing


illustration of a crane shaped like a toy claw machine, with a yellow star-shaped magnet lifting a container ship surrounded by colorful shipping containers. The crane arm is metallic with yellow stars decorating it

How to build strong magnets without rare-earth metals

China’s export restrictions may boost scientific innovation


Dogs really do look and act just like their owners

The resemblance increases over time

Is your hay fever getting worse?

Climate change could be to blame

A landmark study of gender medicine is caught in an ethics row

Some say the trial is unethical. Others, that not doing it would be immoral