Some fresh bookmarks from delicious.com

• The international war over exit signs – The classic American emergency exit sign has bold red letters spelling out E-X-I-T. The rest of the world thinks this is nuts, and mostly use some version of the ISO standard, a green pictogram showing a man running through a door.
• Can better signs help pedestrians understand London? – London is putting up signs to help pedestrians find their way, and to reduce Tube congestion.
• Charles Stross: CMAP #5: Why books are the length they are – Why are novels generally the length that they are? It looks obvious at first — novels are the length they are because, well, they're novels — but in truth, the length of a novel varies depending on the prevailing publishing industry distribution model when it's written.
• Scott and Scurvy – How a known cure for scurvy was lost.
• The Economist: Gendercide – The worldwide war on baby girls – Technology, declining fertility and ancient prejudice are combining to unbalance societies