Retraction of a journal article doesn't make its findings false

The American Medical Association recently retracted six papers co-authored by food consumption and psychology researcher, Brian Wansink, in three of its journals. These studies include two showing that large bowl sizes encourage ...

How computers push on the molecules they simulate

Because modern computers have to depict the real world with digital representations of numbers instead of physical analogues, to simulate the continuous passage of time they have to digitize time into small slices. This kind ...

Explained: Margin of error

In mid-October, a Gallup poll of likely voters nationwide showed former Massachusetts Gov. Mitt Romney leading President Barack Obama by a 7 percent margin. That same week, a poll by the University of Connecticut and the ...

Maths experts question key ecological theory

Mathematicians at the University of York in the UK and the University of Canterbury in New Zealand say they have disproved a widely accepted theory underpinning the operation of complex networks of interactions in the natural ...