Vitamin B12: Power broker to the microbes

Constant jostling for precious commodities—money, oil, high-speed Internet access, our morning coffee—shapes the world we live in.

Life in Antarctic lake? It's everywhere else

If scientists find microbes in a frigid lake two miles beneath the thick ice of Antarctica, it will illustrate once again that somehow life finds a way to survive in the strangest and harshest places.

Costa Rican sloth antibiotics offer hope for human medicine

The fur of Costa Rican sloths appears to harbor antibiotic-producing bacteria that scientists hope may hold a solution to the growing problem of "superbugs" resistant to humanity's dwindling arsenal of drugs.

Fighting bacteria with mucus

Slimy layers of bacterial growth, known as biofilms, pose a significant hazard in industrial and medical settings. Once established, biofilms are very difficult to remove, and a great deal of research has gone into figuring ...

Titanium dioxide film enhances the sun's natural disinfection power

The world population is estimated to be seven billion and all these mouths need feeding. With fears about overfishing and the sustainability of fish stocks in our seas fish farming is becoming big business. As with all farming ...

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