Greenland's ice melted away at least once in last million years

The ice sheet atop Greenland —which holds enough frozen water to swamp coastal cities worldwide—has melted to the ground at least once in the last million years despite CO2 levels far lower than today, stunned scientists ...

Using bacteria to make lunar soil more fertile

A team of agronomists and biotechnicians at China Agricultural University has found that adding bacteria to simulated lunar regolith increased the amount of phosphate in the soil for use by plants. In their study, published ...

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