- Freshwater first appeared on Earth 4 billion years ago, ancient crystals hint https://www.sciencenews.org/article/freshwater-earth-ancient-crystal-years 33 comments science
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- A weaker magnetic field may have paved the way for marine life to go big https://www.sciencenews.org/article/weaker-magnetic-field-marine-life-big 1 comment
- Excessive groundwater pumping is slowly draining Earth's rivers dry | Science News https://www.sciencenews.org/article/too-much-groundwater-pumping-draining-many-earth-rivers 0 comments
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