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Sponges lack a signaling pathway that responds to low intracellular oxygen levels in more complex animals. Do they use a different mechanism for this purpose or did their earliest ancestors evolve at a time when less oxygen was available? more

On 28 January, the International Year of the Reef (IYOR 2018) was officially launched in Germany at boot Düsseldorf, the world's largest water sports trade fair. This global initiative, first launched in 1997, is now taking place for the third time. more

LMU researchers report the first description of the geologically oldest fossil securely attributable to the genus Archaeopteryx, and provide a new diagnostic key for differentiating bird-like dinosaurs from their closest relatives. more