BY JESSICA SNYDER SACHS
A DOSE OF DIVERSITY
Scientists are discovering that species extinctions fuel the rise and spread of infectious diseases and hinder medical research
� | 22 | NATIONAL WILDLIFE
ZIG LESZCZYNSKI (ANIMALS ANIMALS)
BY JESSICA SNYDER SACHS
A DOSE OF DIVERSITY
Scientists are discovering that species extinctions fuel the rise and spread of infectious diseases and hinder medical research
� | 22 | NATIONAL WILDLIFE
ZIG LESZCZYNSKI (ANIMALS ANIMALS)