The US athlete was stripped of every medal that she won after September 1 2000 due to taking performance enhancing drugs. This cost her the five gold medals she won at the 2000 Olympic Games. She admitted her drug taking in October 2007 when entering a guilty plea to the charge of lying to prosecutors investigating the BALCO doping scandal.
Tools designed to ensure computer code in smart cars does not crash has been inspired by hungry penguins.
The rounded sleeping capsules send guests drifting into ocean before arriving on desert island by morning.
Sitting on the saddle activates the part of the brain responsible for learning, a study has claimed.
Scientists are appealing for more people to donate their brains for research after they die.
Life on Earth may have arrived from Mars on an asteroid, scientists have claimed.
Lunar mission scheduled at the end of 2017 could find out if beer can be brewed on the moon.
A bottle used to teach children how far litter can travel ended up on Scottish beach after 8,700-mile journey.
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