Wearable air bags for the elderly (click on "Start Reading" to get through).
Can you guess in which country?
If you keep on clicking on that link, you’ll go through the NYT’s Year in Ideas 2008, always worth reading. I found at least half of them worthwhile (a very good way to spend your Friday night) but sadly they do not have a separate link for each bit. Under "B" you will find an interesting discussion of the Bus-Wait Problem, namely when you should stop waiting for that bus and start walking. The advice is that usually you should wait.
Here is separate information on "the glass cliff," a fascinating phenomenon.