Moon and Mars superoxides for oxygen farming

The dusty faces of the moon and Mars conceal unseen hazards for future explorers. Areas of highly oxidizing material could be sufficiently reactive that they would produce chemical burns on astronauts' unprotected skin or ...

What makes cobalt essential to life?

Cobalt sits in the center of the corrin ring of vitamin B12 and the important cobalamins we derive from it. Perhaps surprisingly, only two of our enzymes bother to use these painfully constructed and meticulously channeled ...

Bacteria engage sulfur for plant salt tolerance

Understanding the interplay between bacteria and sulfur is leading to exciting biotechnologies that could enable crops to be irrigated with salty water.

Whiter teeth, without the burn

Most people would like to flash a smile of pearly whites, but over time teeth can become stained by foods, beverages and some medications. Unfortunately, the high levels of hydrogen peroxide in dentists' bleaching treatments ...

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