Filamentous algae blooms alter river ecosystems without disrupting overall function

Algae is a ubiquitous feature in waterways throughout the globe, including western North America. Slippery, green epilithic ...
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Scientists found 8 mysterious Mars caves that could hide life signs

Fresh orbital images and new geological analysis have revealed eight mysterious caves on Mars that appear unusually well suited to protect traces of life. Together, these caverns, portals and ...