Protein knots and slipknots, mostly regarded as intriguing oddities, are gradually being recognized as significant structural motifs. Recent experimental results show that knotting, starting from a ...

Native plants installed by the State Botanical Garden of Georgia at the University of Georgia near the GA-10 Loop in Athens are changing the area from being covered in kudzu back to a more natural ...

One hundred and thirty-one miles of paved path wrap around Tucson, connecting cyclists, walkers and even horseback riders across the city. Yet key communities, specifically on Tucson’s south and west ...

2014 has been an exciting year for mobile advertising. As more and more brands and agencies are starting to figure out mobile, standards are being created, benchmarks formed and best practices refined ...

Proceedings of the National Academy of Sciences of the United States of America, Vol. 106, No. 23 (Jun. 9, 2009), pp. 9215-9220 (6 pages) Altering the specificity of an enzyme requires precise ...