Hangenberg event

Drawing illustrates an extinction episode during the Hangenberg event about 360 million years ago; credit: Karolina Paszcza.

Toxic Methylmercury May Have Caused Late Devonian Extinction

Polish scientists have found that toxic methylmercury created by bacteria from mercury of volcanic origin could have caused mass extinction in the late Devonian.

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Credit: Piotr Morzyński

Poland and Germany create fibre-optic 'time bridge’ with atomic clock connection

Poland and Germany have completed the first international fibre-optic link for comparing ultra-precise time measurements between laboratories, marking a significant step toward building a pan-European timekeeping network.