The Efficacy of Bacteria

(PhysOrg.com) -- Marching to their own drummer. That's what bacteria from different environments do when turning toxic, mobile selenium into a less dangerous, non-mobile form, according to a study led by Dr. Carolyn Pearce. ...

Prairie dogs: influencing the accumulation of metals in plants?

Prairie dogs may seem like harmless little creatures, but they can inflict serious injury on plants simply by snacking on them. Plants cannot flee from their furry predators, so how do they avoid becoming a prairie dog's ...

Sloshing electrons in a charge density wave

In the latest edition of Physical Review B, UvA Ph.D. candidate Xuanbo Feng (QuSoft and IoP) and colleagues write about their recent experiments on a material that can go from a normal metal state to a more exotic state known ...

Selenium protects specific interneurons in the brain

Exactly 200 years ago, the Swedish scientist Jöns Jacob Berzelius discovered the trace element selenium, which he named after the goddess of the moon, Selene. Besides its industrial applications, selenium is an essential ...

For selenium in rivers, timing matters

Selenium contamination of freshwater ecosystems is an ongoing environmental health problem around the world. A naturally occurring trace element, selenium levels are high in some geologic formations like sedimentary shales ...

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