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Why does nearly all life breathe oxygen?
So why do so many life-forms breathe oxygen? There are probably thousands of kinds of metabolisms, or chemical processes that ...
Plastics are seeping into farm fields, food and eventually human bodies. Can they be stopped?
Around the world, plastics are finding their way into farm fields. Some farmers say agricultural plastic, already a necessity for many crops, is becoming even more necessary as climate change fuels ...