Related topics: nasa · water · drinking water

NASA's arsenic life-form scientist answers critics

The NASA-funded scientist whose discovery of a bacterium that thrives on arsenic prompted an avalanche of criticism responded Thursday with a statement answering questions about her research.

Toward a smarter way of recharging the aquifer

To replenish groundwater, many municipalities inject reclaimed water into depleted aquifers. The injected water has been purified by secondary wastewater treatment, and, in some cases, the water has been treated through tertiary ...

How one fern can soak up so much arsenic—and not die

Arsenic-contaminated soil and groundwater pose risks to millions of Americans and hundreds of millions of people worldwide. Cleaning up the toxic metal is a laborious and expensive process, with some remediations of arsenic ...

Shedding light on risks of LEDs

If you haven't taken down your Christmas lights yet, do it very carefully. Those modern, light-emitting diode bulbs marketed as safe, environmentally preferable alternatives to traditional lights actually contain lead, arsenic ...

Scientists discover how arsenic builds up in plant seeds

Researchers from FIU's Herbert Wertheim College of Medicine Barry P. Rosen and Jian Chen, both from the Department of Cellular Biology and Pharmacology, are part of an international team that has identified how arsenic gets ...

Rust offers a cheap way to filter arsenic-poisoned water

When water flows deep underground, it often dissolves inorganic substances from mineral deposits in the earth's crust. In many regions, these deposits contain arsenic, a naturally occurring element that is colorless, tasteless ...

page 4 from 21