In this programme, Catherine and Dan will be discussing how long we humans can expect to live, as well as teaching you six new items of vocabulary. By the year 2030, will the USA’s life expectancy be?

dead on your feet : extremely tired
motto : a short phrase which reflects the beliefs of an organisation or person
life expectancy : how many years a person is likely to live
equitable : fair or impartial
obesity : a state of being very overweight
binge : consume a large amount of something in a short space of time, especially something that you don’t usually have

Sursa: BBC Learning English