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Oct 5, 2015, 4:45 pm34 pts
ENNWhen you think of the world’s greatest athletes, names like Usain Bolt generally spring to mind, but scientists have discovered the best athletes could well be found in the water, covered in scales.It turns out that fish are far more effective at delivering oxygen throughout their body than almost any other…
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Leaf through planet Earths environmental headlines in one convenient place. Read, share and discover the latest on ecology, science and green living from the web's most popular sites.













