More from Clint Witchalls
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Bloody scenes from the shark fin trade
News
Physics
Nobel prizewinner: We are running out of helium
Opinion
The risky business of human trials
Books & Arts
The madness and love that built the periodic table
Books & Arts
Technology
Bertrand Piccard: Flying around the world on sunlight
Opinion
The myth of the mid-life crisis
Books & Arts
Genius, genes and environment
Books & Arts
Learning to use nature’s GPS
Books & Arts
Health
Acupuncture’s effects are not all in the mind
News
Health
At last, a scanner that sees it all
News
Technology
Mouse smoothes out troublesome hand tremors
News