December 31, 2001
Why Goldfish Might Turn Blue
Why Goldfish Might Turn Blue
Say goodbye to Birkenstock sandals and woolly jumpers -- tomorrow's eco-warrior will like nothing better than swimming naked in defense of cleaner oceans. That, at least, is the hope of researchers in Singapore, who are developing a breed of fish capable of detecting water pollutants by changing color.
Posted by rshah at December 31, 2001 12:00 PM