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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DIETITIANS LIKE ME have been recommending a fiber-rich diet for years. The average American consumes between 10 to 15 grams of fiber in their diet daily. (The recommendation is between 20 to 38 grams, depending on age and gender). A big part of the problem is that only one in 10 of us eat enough