In search for alien life, purple may be the new green

Purple bacteria is one of the primary contenders for life that could dominate a variety of Earth-like planets orbiting different stars, and would produce a distinctive "light fingerprint," Cornell scientists report.

Scientists create bio-engineered mushroom that generates renewable energy

A mushroom has been turned into a renewable energy generator using 3D printed materials and bacteria. The initial results are promising for further development as a source of renewable energy.