A touching series of photos about a mother's experience of her son's losing battle with cancer. This photographer won the 2007 Pulitzer prize in photography.
Another reason fish are awesome
Fish are being drafted in San Francisco's war against possible terrorist threats to its water supply.Akin to hospital gadgets that chart a patient's heart rate and breathing, a new water-quality monitoring system automatically analyzes the behavior of eight to 12 bluegill fish in a tank at the San Francisco Public Utilities Commission's water-treatment plant in Millbrae.
If the computers sense that the fish are upset by something in the water, "the system immediately triggers water samples to be taken, and the staff are alerted by pager and e-mail," said commission spokesman Tony Winnicker.
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