It is this exposure to heat that partly allows Madeira to age properly.

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Post-mortem tests showed Mr Shears, of Poole, Dorset, and Mr Bannon, of Bitterne, Southampton, died of exposure to excessive heat.

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The finding was delivered with a narrative verdict which noted the pair died as a result of exposure to excessive heat.

BBC: Jim Shears (left) and Alan Bannon

The finding was delivered in conjunction with a narrative verdict which noted the pair died as a result of exposure to excessive heat.

BBC: Jim Shears (left) and Alan Bannon

It is important to mention that this condition is not a burn, but just a skin condition that develops as a result of chronic exposure to moderate heat.

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By augmenting the drug's surface area, Rabinowitz had increased its exposure to air, allowing it to quickly escape the heat and vaporize without burning.

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Nearly half of those deaths were caused by exposure to the cold--twice the number of heat-related deaths and more than all of the combined deaths resulting from lightning, storms, floods, earthquakes, landslides and other natural events.

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While it appears to darken in the sun like Transitions eyeglasses, the trigger is heat not UV exposure.

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