Avian flu hits bird paradise of Galapagos Islands

The Galapagos National Park said Tuesday that it had detected its first cases of avian flu on the remote islands, home to unique bird species that helped inspire the theory of evolution.

Researchers fabricate high-quality transparent ceramic

Mid-infrared lasers have been widely used in imaging, detection, diagnostics, environmental monitoring, medicine, industry, defense and others. For mid-infrared laser systems, low phonon energy gain materials are key factors.

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