And that melting ice could interrupt the north Atlantic ocean circulation, which would alter global weather patterns and ultimately switch off the Asian monsoon season.

You can alter your bootsector code to load your file, switch to protected mode and jump to your kernel image (if you have enough room for the code in your bootsector!

In the Chinese game Go, a single unexceptional move may alter the direction of play such that it turns out to switch the game in a player's favour, no matter the odds against him when it is played.