News tagged with probability

New tool enhances the search for genetic mutations

Concealed within the vastness of the human genome, (comprised of some 3 billion base pairs), mutations are commonplace. While the majority of these appear to have neutral effect on human health, many others ...

Aug 25, 2013
popularity 5 / 5 (1) | comments 0 | with audio podcast

Risk aversity visible in the brain

Some people live their lives by the motto "no risk - no fun!" and avoid hardly any risks. Others are clearly more cautious and focus primarily on safety when investing and for other business activities. Scientists ...

Nov 26, 2012
popularity not rated yet | comments 0 | with audio podcast

Tell me how you are -- and I know how long you will live

The way people rate their health determines their probability of survival in the following decades. Researchers from the Institute of Social and Preventive Medicine at the University of Zurich demonstrate that for ratings ...

Feb 09, 2012
popularity 4.3 / 5 (4) | comments 0 | with audio podcast

Gene switch for odorant receptors

The olfactory sensory neurons in the nasal mucosa perceive the myriad smells in the air with the aid of odorant receptors. Each sensory neuron chooses one and only one receptor gene for expression. The probability ...

Nov 11, 2011
popularity 5 / 5 (1) | comments 0 | with audio podcast

High rate of false-positives with annual mammogram

During a decade of receiving mammograms, more than half of cancer-free women will be among those summoned back for more testing because of false-positive results, and about one in 12 will be referred for a biopsy.

Oct 17, 2011
popularity not rated yet | comments 0 | with audio podcast

Probability

Probability, or chance, is a way of expressing knowledge or belief that an event will occur or has occurred. In mathematics the concept has been given an exact meaning in probability theory, that is used extensively in such areas of study as mathematics, statistics, finance, gambling, science, and philosophy to draw conclusions about the likelihood of potential events and the underlying mechanics of complex systems.

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