Under normal conditions, cyanobacteria, also termed blue-green algae, build up energy reserves that allow them to survive under stress such as long periods of darkness.

Researchers at the University of North Carolina at Chapel Hill have discovered that a single atom – a calcium, in fact – can control how bacteria walk.

It's important to finish what you start, say Jeong-Sun Ju and researchers from Washington University School of Medicine, St Louis.

One day soon a biosensing nanodevice developed by Arizona State University researcher Wayne Frasch may eliminate long lines at airport security checkpoints and revolutionize health screenings for diseases like anthrax, cancer and antibiotic resistant Staphylococcus aureus (MRSA).

2004 FEB 18 - (NewsRx.com & NewsRx.net) -- Even well-studied proteins can reveal surprises. University of Iowa (UI) scientists have discovered a new enzyme activity for the cystic fibrosis transmembrane conductance regulator (CFTR).