19:1019:10, 29 August 2012diffhist−10
Asphyxiant gas
"Prolonged" removed, many fatalities occur due to missunderstanding how short a period of breathing mixtures with very low O2 partial pressures can be fatal.~~~~
16:3416:34, 10 March 2010diffhist−1
Countersteering
→Bicycles: Conscious is the most relevant of the triple tautology as the distinction being made is between conscious and sub-conscious actions. We deliberately use subconscious countersteering!