Image copyright Nippon Foundation-GEBCO Seabed 2030 Project Image caption The black is where we still need modern measurements at a reasonable resolution We've just become a little less ignorant about Planet Earth.The initiative that seeks to galvanise the creation of a full map of the ocean floor says one-fifth of this task has now been…
By Colin Barras Ancient marine life may have been wiped out by volcanic activityPhil Degginger/Carnegie Museum / Alamy The second-most severe mass extinction in Earth’s history may have been triggered by global warming. The discovery means that, for the first time, all of the largest known extinctions can be linked to a rapid rise in…
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TURLOCK, Calif. — California, like much of the nation, is not producing enough nurses working at bedsides to meet the needs of an aging and diverse population, fueling a workforce crunch that risks endangering quality patient care. Nearly 60% of California counties, stretching between the borders with Mexico and Oregon, face a nursing shortage, according