It revels in the accomplishments of our species but remind us that — whether its ochre hand paints on cave walls or wireless broadband — humanity’s spent most of its existence with just one thing on its mind

Do you remember your first kiss? Flashbacks of delicious teenage terror are a common reaction but the first time someone pressed their lips to you to convey affection was probably when you were only minutes old

Tell your audience that more than 200,000 Haitians are dead in the devastating earthquake and they’ll change the channel to check the football score. Show them the little girl found alive under the rubble desperate for food, water and shelter and hearts (and wallets) stricken by grief will open.