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Rip up new Olympic sex test rules

Health

Rip up new Olympic sex test rules

Female athletes with naturally high testosterone levels face new sex testing rules that are flawed and unjust, say Katrina Karkazis and Rebecca Jordan-Young

Comment

Olympic extremes: Freezer therapy

Humans

Olympic extremes: Freezer therapy

Features

Olympic extremes: Blood sport

Humans

Olympic extremes: Blood sport

Features

Sports engineering: Is technology cheating?

Humans

Sports engineering: Is technology cheating?

Features

Sports engineering: The future

Humans

Sports engineering: The future

Features

Sports engineering: The physics of sport

Humans

Sports engineering: The physics of sport

Features

Sports engineering: How technology transformed sport

Humans

Sports engineering: How technology transformed sport

Features

Smart Guide to 2012: How to win at the Olympics

Life

Smart Guide to 2012: How to win at the Olympics

News

How Muslims can win Olympic gold during Ramadan

Life

How Muslims can win Olympic gold during Ramadan

News

Bike to the drawing board

Technology

Bike to the drawing board

Forget finding a theory of everything – we can't even explain how bicycles work, says Michael Brooks

Features

Technology

Motion sensors could help tennis players serve an ace

News

Life

Better-looking sportsmen more likely to win

News

Technology

Innovation: Give referee technology a sporting chance

News

Life

Fast waters run deep for Olympic swimmers

News