Toward new precision in measuring the neutron lifetime

(Phys.org) —A team of PML scientists, with collaborators elsewhere, has achieved a five-fold reduction in the dominant uncertainty in an experiment that measured the mean lifetime of the free neutron (exceptionally long ...

Study reveals consequences of a lifetime of sexual competition

Males that spend all their time reacting to their rivals die earlier and are less able to mate later in life according to new research from the University of East Anglia. The research is the first study to quantify the consequences ...

Banned pollutants are still found in sparrowhawks

High levels of polluting chemicals which are used as flame retardants have been detected in the livers of sparrowhawks in the UK. So-called PBDEs (Polybrominated Diphenyl Ethers) are a group of 209 closely related chemicals ...

At last, how many alien civilizations are there?

During the space age, 1961 was a special year: the Russian cosmonaut Yuri Gagarin became the first man to orbit Earth, while the American astronomer Frank Drake developed the now famous Drake Equation. This equation estimates ...

Naked mole rat may hold the secret to long life

Compared to the average three year life span of a common rat, the 10 to 30 year life of the naked mole rat, a subterranean rodent native to East Africa, is impressive. And compared to the human body, the body of this rodent ...

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