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”

From the April 29th 2006 edition
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Companies have plans to build robotic horses
One diminutive design is aimed at children

Compressed music might be harmful to the ears
In guinea pigs it can weaken muscles important for hearing

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