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Wikenigma - an Encyclopedia of Unknowns Wikenigma - an Encyclopedia of the Unknown

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  • Placebo effectplugin-autotooltip__plain plugin-autotooltip_bigPlacebo effect

    Placebos are faux medications - typically lactose or microcrystalline cellulose - designed to act as inert, non-functional 'controls' in medical experiments. (There are also faux medical procedures, see section below)

    From the beginnings of their use i…
  • Global Atmospheric Methane Cycleplugin-autotooltip__plain plugin-autotooltip_bigGlobal Atmospheric Methane Cycle

    Methane is roughly 80 times more potent as a Greenhouse Gas (GG) than CO2. Over the last 30 years, the measured levels in the atmosphere have been steadily rising, - maintaining a clearly-defined seasonal cycle.

    "Methane is an importa…
  • Methane hydratesplugin-autotooltip__plain plugin-autotooltip_bigMethane hydrates

    Mehane hydrates - a.k.a. methane clathrates - are an important factor in total global methane levels (see Global Atmospheric Methane Cycle)

    They are commonly found in permafrost deposits and on (and under) the sea floor, being a frozen, naturally‐occu…
  • Aerobic methane productionplugin-autotooltip__plain plugin-autotooltip_bigAerobic methane production

    From 2005 onwards, satellite-based observations found elevated levels of methane (CH4) in the atmosphere above evergreen forests in tropical regions.

    Methane is a very potent greenhouse gas, and intense research effort went into trying to di…
  • Serial position effectplugin-autotooltip__plain plugin-autotooltip_bigSerial position effect

    The serial-position effect is the generalised psychological tendency people have to be able to recall the leading and trailing items in a list more easily than those towards the middle of the list.

    It's very widespread and has been demonstrated …

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