An Australian mentor of Chinese swimming sensation Ye Shiwen has slammed claims her Olympic achievements were fuelled by drugs, saying he was "100 percent certain" the teenager was clean.
China surged clear at the top of the Olympic medals table on Sunday, as two world records fell in the pool on a night when France stunned swimming's superpowers to take a dramatic relay gold.
Some scientists say sporting records are starting to flatline and one day will become near impossible to beat without drugs, gene splicing or futuristic technology.
World champion hot dog eater Sonya Thomas crushed her previous record Wednesday in the annual showdown, wolfing down 45 dogs and buns in 10 minutes, to the cheers of an entranced crowd.
A record for the Guinness Book of Record was set by participants of the test-drive during preparation for the 1st Kazkahstan moto-expedition to the South Pole.