125-million-year-old fossil reveals 'pregnant' shellfish

An international team of scientists led by Dr. Graciela Delvene of the Geological and Mining Institute of Spain (CSIC) has uncovered the oldest known evidence of maternal care in shellfish, revealing that some freshwater ...

The giant viruses that orchestrate life in the polar regions

Viruses play a major role in the functioning of ecosystems. They profoundly influence the dynamics of microbial communities, the flow of matter and global biogeochemical cycles. Yet despite their abundance and ecological ...

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