But a new study suggests that space rocks actually made life possible on the Blue Planet. Researchers identified isotopes of selenium in rocks in Earth's mantle and found identical isotope ...

As the rocks containing essential trace elements, like chromium, vanadium, iodine, selenium and copper, break down and erode, they enrich the soils. Finally, the plants growing on those soils ...

Selenium in the water may result from the weathering of rocks, Selenium absorption by plants is highest when the soil is alkaline and when the selenium is in the form of inorganic compounds which ...

Now, in a bid to get a better idea of the oxygen levels during the Lomagundi Event, Kipp and his colleagues have analysed selenium in rocks formed on the ocean floor during the interval.

Selenium is a nutrient that is naturally present in many foods, added to others and is also available as a dietary supplement in pill, powder and liquid form, explains Perri Halperin, a ...

A team at the Lawrence Berkeley National Laboratory in Berkeley, California, embedded selenium in zinc oxide, a relatively inexpensive material that could be promising for solar power conversion ...

Get Instant Summarized Text (Gist) Adding selenium to highly mercury-contaminated water increases mercury accumulation in adult mayflies and negatively affects their survival and development ...