Geeky, lanky and awkward, with a penchant for corduroy trousers and grandad jumpers, 'heartthrob' is hardly the first word that comes to mind when you look at James Acaster....
An international collaboration led by a neurologist and experts in advanced genomics at Vanderbilt Health has coaxed one of the secrets of extreme longevity from a 194-year-old giant tortoise named Jonathan... .