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Sewerage is just a load of crap. If you think this you are on the wrong track. It can be a valuable commodity. The cleaning process begin...

We know that we are related to sea creatures. Finding which ones are close ancestors is the problem. Dr Garcia-Bellido holds that odd-l...

Eons ago ancestors of whales made a major leap forward in evolution of their mouths. Whales living today can filter-feed in large amounts b...