The Australian day, as Elizabeth Blackburn knew it growing up in Tasmania and then throughout her academic life, is organized around simple markers: "brekkie" (breakfast) that kicks off the morning, "smoko" (the mid-morning and afternoon tea/coffee break, inherited from working-class jargon, where biscuits and cakes are shared), and the evening meal, more convivial, which becomes festive when Tasmanian seafood is brought out. It's an informal structure, paced by work — in the fields yesterday, in the lab today — where food serves as much to recharge as to reconnect.

A dark brown, salty, powerfully umami paste, born in 1922 from recovered brewery yeast: it's THE taste of Australian childhood, rich in B vitamins and deeply fermented. For a biologist born in Tasmania, this spreadable condiment is as strong an identity marker as a well-protected telomere.