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In some regions called chemosynthetic ecosystems, creatures produce food using the energy from chemical reactions rather than sunlight.

He said he planned to kill himself in his car, with a chemical reaction that would produce carbon monoxide, along with “some extra drama that I probably should not say haha.”

A thermal runaway is an accelerating increase in temperature caused by chemical reactions which can lead to fire, explosion and "unpredictable fire behaviour", according to the UK's National Fire Chiefs Council.

Firefighters allowed the Vistra blaze to burn itself out, citing the dangers of dousing lithium-ion battery fires with water, which can cause dangerous chemical reactions.

Scunthorpe's furnaces produce molten iron by splitting rocks containing iron ore in a chemical reaction that requires intense heat.