Temperature, humidity, type of fungi and chemical reactions all affect the end result.

NPR: Excerpt: 'A Splintered History Of Wood'

These patterns of action, either the well constructed image plant or the viral propagation of a fetishistic content type, are both highly effective at generating disproportionate reactions.

FORBES: The Hoaxer, The Troll And The Running Of The Digital Herd

Equally importantly, the Higgs allows two of the four forces in nature -- the electromagnetic force and the weak force, which is responsible for most nuclear reactions -- to be unified and described by mathematics of the same type that describe the other two known forces, the so-called strong force and gravity.

CNN: Higgs and the holy grail of physics

Theory suggests that a certain type of giant, short-lived star can experience catastrophic collapse when the nuclear reactions at its core can no longer support its mass.

BBC: Telescope spies cataclysmic blast