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Scientists advocate allowing extinction

The tremendous and costly efforts that have been undertaken to save animals like tigers and pandas from extinction isn't worth it, and according to some scientists those species should be allow to die out.

Instead, those scientists say a new idea called species triage should be introduced, and efforts should be focused on saving species that have a reasonable chance of survival.

It's a controversial idea, to say the least, and Airplay's science columnist Michael Bhardwaj has looked into it.

Click on the link below to hear him explain his findings to Dave.

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