RAS

Inside what looks like a plastic-roofed greenhouse sitting in an old cow pasture are six round, 1,500-gallon tanks (imagine kiddie pools that are eight feet deep), each holding a few hundred rainbow trout. A tangled network of PVC pipes – some as thick as tree trunks, others as slender as pool cues – traces crooked patterns in the cramped space, which is alive with the sound of whirring mot ...

Gordon Ramsay would not be impressed.

The ability to plunge a lobster into a pot of boiling water and to ignore the bloodcurdling shriek that results, surely divides the men from the boys in the often macho world of cookery.

This week, New Scientist reports another twist in the long debate concerning the ability of one of our favourite delicacies to feel pain.

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Abstract
Flat-bottom sea cages offer a cost-effective alternative for culture of bottom-dwelling fish. In an experiment lasting 428 days,
spotted wolffish (Anarhichas minor Olafsen) grew equally fast when kept in tanks on land and in a flat-bottom sea cage at the same
stocking density (increasing from 7.5 to 42 kg m−2 during the experiment) and same water temperature. A lag phase of 1 month
wi ...