Expansion of transposable elements offers clue to genetic paradox

Species often experience a genetic bottleneck that diminishes genetic variation after speciation or introduction into a new area. Though bottlenecks in population size always reduce fitness and evolutionary potential, introduced ...

Courage a double-edged sword for economic success

Modern economies need courageous, bold and entrepreneurial individuals to thrive yet the same qualities can bring greater risks according to a world-first study from an international research team.

New study shows rich, poor have huge mortality gap in US

Poverty in the U.S. is often associated with deprivation, in areas including housing, employment, and education. Now a study co-authored by two MIT researchers has shown, in unprecedented geographic detail, another stark ...

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