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To try to get rid of the waste the booms and mats collected, the team subjected them to two composting methods: worms and thermophilic fungi, or heat-loving bacteria and fungi that can kill pathogens by generating high temperatures.

The bacteria that make the thickest, creamiest yogurt happen are thermophilic, meaning they need elevated temperatures to do their magic.

Oxygen is pumped in to increase thermophilic, or heat-loving, microbial activity.

Based on research from Prof Carpenter-Boggs' team, the final process involves placing the body in a mix of wood chips and similar composting materials, allowing thermophilic - heat-loving - microbes and bacteria to get to work.

Eventually, they get cool enough to support thermophilic and hyperthermophilic organisms - the same type of biota that live at volcanic hot springs.