It follows four years of research and development aimed at finding a natural method of tackling the problem of sea lice.

BBC: Western Isles salmon farm in wrasse 'first'

An educational system that emphasizes this framework prepares students for the world beyond the classroom while embracing an educational method that taps into a more natural method of learning.

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In February, an exploration company said using this method to free trapped natural gas in County Fermanagh could supply all the gas Northern Ireland would need for decades.

BBC: Enterprise Committee

Filming on the road, which injects an element of uncertainty, is another method Salles uses to foster natural improvisation.

CNN: Walter Salles: Back on the road

He began developing a non-invasive surgical method that involved a more natural approach.

CNN: Health

The other method of genetically modifying a natural seed is to insert into it a gene that makes the crop tolerant to a specific herbicide, usually one the company makes itself.

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In the study released Wednesday, researchers suggest extracting the natural gas hydrates with "depressurization" -- a method that involves changing the ice into gas and water at the surface.

CNN: Study: Tap natural gas from Alaska's frozen areas

It also is the city's largest natural reserve, famous for its ancient system of shallow canals and chinampas, a method of Mesoamerican agriculture that utilises artificial islands for cultivating vegetables, herbs and flowers which is still in use today.

BBC: Finding farms, and solitude, in Mexico City

The method also makes the industry less vulnerable to fluctuations in wild oyster populations and natural disasters.

WSJ: Planting Seeds for a Better Oyster Harvest

Today the Bergius method lives on in the work being done in South Africa and Qatar to turn natural gas into diesel oil.

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