Where they live: Plants are found on every continent, even Antarctica, and every ocean. What they eat: Plants use sunlight for photosynthesis, which produces sugars that fuel them. Plants are an ...
New Scientist on MSN
Bird retinas work without oxygen, and now scientists know how
The light-sensitive tissue of birds’ eyes is not supplied with oxygen by blood vessels – instead, it powers itself with a ...
Recent studies and warnings from NASA have sparked global concern about the long-term sustainability of Earth’s oxygen supply. The implications of a diminishing oxygen reserve are profound, ...
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