No signs (yet) of life on Venus

The unusual behavior of sulfur in Venus' atmosphere cannot be explained by an "aerial" form of extra-terrestrial life, according to a new study.

Fingerprints do not improve grip friction

Fingerprints mark us out as individuals and leave telltale signs of our presence on every object that we touch, but what are fingerprints really for? According to Roland Ennos, from the University of Manchester, other primates ...

Magnetic Vortex Switch Leads to Electric Pulse

(PhysOrg.com) -- Researchers at the University of Arkansas have shown that changing the chirality, or direction of spin, of a nanoscale magnetic vortex creates an electric pulse, suggesting that such a pulse might be of use ...

A new CSI tool could pinpoint when fingerprints were left behind

The crime scene investigators on TV's popular CSI: Crime Scene Investigation series seem able to solve any mystery thanks to a little science and a lot of artistic license. But now there is a real-life technique that could ...

Your smartphone knows everything about you, and it tells tales

In the sexy but increasingly scary world of smartphone forensics, insiders have a name for all the personal information purposely or unknowingly stored inside that iPhone or Android or Blackberry in your pocket. They call ...

Detecting biomarkers on faraway planets

(Phys.org) —On Earth, life leaves telltale signals in the atmosphere. Photosynthesis is ultimately responsible for the high oxygen levels and the thick ozone layer. Microbes emit methane and nitrous oxide into the atmosphere, ...

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