10 things we didn't know last week 6 September 2013 Last updated at 14:24 News snippets Sliced and diced for your convenience The Loop: Walk, don't walk... How Sheppey avoided loss of life The Magazine in full The notion of drunk people going on late-night cow-tipping sprees is scientifically implausible - it would take five people of average strength to topple a cow. Find out more (Smithsonian Magazine) The typical internet user has seven passwords to manage 25 online accounts. Find out more (Economist) You need an 8ft-high table to ensure toast lands butter side up when dropped. A Great Dane dog was awarded the Blue Cross Medal in 1941 after she extinguished an incendiary bomb by urinating on it. Find out more (Daily Telegraph) Richard III suffered from a roundworm infection. Saint Martin's Summer is the traditional British phrase for warm weather well into autumn. Whales get tan lines. Find out more (@EmeraldBedell) The earless Gardiner's frog listens with its mouth. Curved glass buildings can melt cars on a sunny day. Dutch police employ five sniffer rats. Find out more (The Times) Seen a thing? Tell the Magazine on Twitter using the hashtag #thingIdidntknowlastweek