Roosters are nicer to their relatives than to other males

Male domestic fowl are less aggressive towards related males than to unrelated males when competing for copulations, according to a new study from Linköping University in Sweden. This finding, which has been published in ...

'Blurred times' in a quantum world

When measuring time, we normally assume that clocks do not affect space and time, and that time can be measured with infinite accuracy at nearby points in space. However, combining quantum mechanics and Einstein's theory ...

Friction in the vacuum?

(Phys.org)—When three physicists first discovered through their calculations that a decaying atom moving through the vacuum experiences a friction-like force, they were highly suspicious. The results seemed to go against ...

Did cavemen use toothpicks?

Researchers say they've found evidence that ancient human relatives used toothpicks.

Scientists bear witness to birth of an ice cloud

Scientists have witnessed the birth of atmospheric ice clouds, creating ice cloud crystals in the laboratory and then taking images of the process through a microscope, essentially documenting the very first steps of cloud ...

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