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- Better chow yields more milk: A more nutritious form of corn for dairy cows boosts farm profits, teen investigator finds
- Fuzzy future: Kids may suffer impaired vision from spending too little time outdoors, studies suggest
- Building with moon rocks: Working on the moon with lunar soil and grit could prove easier, more efficient and less costly than using earthly materials
FOR KIDS: Bad news for big bird
Lead poisoning, which nearly killed off California condors, still threatens the birds
Web edition: July 20, 2012
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Humans are having a tough time saving this species, the California condor, from extinction.
S. Haig, USGS
Thirty years ago, the California condor came dangerously close to extinction. Biologists took action, and their efforts worked. The big, bald birds lived, and their numbers grew — from 22 in 1982 to several hundred today.
But the bird’s apparent success story may be misleading, a new study finds. By studying blood and feathers from condors in the wild, researchers have confirmed that the birds are suffering a slow poisoning.
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