16/06/2009

Giant eruption reveals 'dead' star

An enormous eruption has found its way to Earth after travelling for many thousands of years across space. Studying this blast with ESA's XMM-Newton and Integral space observatories, astronomers have discovered a dead star ...

New piece found in the puzzle of epigenetics

For many years scientists have known that the numerous biological functions of an organism are not regulated solely by the DNA sequence of its genes: Superordinate regulatory mechanisms exist that contribute to determining ...

Contemplating excess wind

How much usable energy do wind turbines produce? It is a question that perplexes engineers and frustrates potential users, especially on windless days. A study published this month in the International Journal of Energy provides ...

Dad's overworked and tired while mom's potentially fired

If dad looks exhausted this Father's Day it could be due to his job, suggests new research that found many male employees are now pressured to work up to 40 hours of overtime—often unpaid— per week to stay competitive.

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