floating microbes

HITCHHIKER A microscopic diatom latches onto a tiny plastic piece from the Sargasso Sea (colors added). 

raspberry leaf and microbes

This raspberry leaf (in a closeup, colorized electron micrograph) is covered in a biofilm of bacteria and fungi. Rosmarinic acid may keep bacterial visitors from overtaking a plant.

depression

DARK DAYS  A controversial new study concludes that major depression does not afflict more people during winter months.

Hubo

A humanoid robot named Hubo uses a mechanical hand to turn a valve at the finals of the DARPA Robotics Challenge in California. 



Science News