Emerald ash borer puts trees on path to functional extinction

Since the emerald ash borer's introduction to the United States at the beginning of the 21st century, forest ecologists and government officials have striven to stem its destruction of ash forests. Despite those efforts, ...

Dutch cull 215,000 chickens after bird flu detected

Dutch health workers have culled some 215,000 chickens after an outbreak of a highly-contagious strain of bird flu was detected on a farm in the country's southeast, agricultural authorities said Thursday.

Bird flu fears: Dutch farms ordered to keep poultry indoors

The Dutch government said Thursday it is ordering poultry farms to keep their birds indoors after six wild swans were found recently dead and tests on two of the birds came back positive for a highly pathogenic strain of ...

Topology protects light propagation in photonic crystal

Dutch researchers at AMOLF and TU Delft have seen light propagate in a special material without reflections. The material, a photonic crystal, consists of two parts that each have a slightly different pattern of perforations. ...

More attention to idioms helps second-language learners

Idiomatic expressions like "kick the bucket" or "send someone packing" constitute a special element of a language, and one that is difficult to learn. This is because the meanings of these idioms cannot be derived directly ...

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