LifeSynthetic 'upgrade' for fruit fly's DNA The genetic code of the fruit fly has been tweaked to make "unnatural" proteins – the advance could lead to the creation of improved life forms 51¶¯Âþ
HumansOlympic extremes: A winning genome Genetics plays a role in athletic performance, but pinpointing which of our genes are responsible is tricky. Some candidates, however, are starting to emerge Features