www.nytimes.com
When an astronaut sets foot on an alien planet and sees moving shadows in a nearby wood, he whips out a scanning device that immediately identifies the menacing life-form, flashing up a photo of its species and an assessment of its aggressive intent.
If such devices are standard equipment for visiting distant planets, why can't we have them here at home where we really need them? Less than a fifth of the earth's 10 million species of plants and animals have been cataloged, and taxonomists are backlogged with requests to apply their specialist knowledge to identification problems.
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