A canonical problem in computer science is to find the shortest route to every point in a network. A new approach beats the ...

TWA is one such semiclassical approach that dates back to the 1970s, but is limited to isolated, idealized quantum systems ...

The new program is validated in a set of clinical pedigrees demonstrating its practical accuracy and relevance to the field. Collectively, the data are compelling and support the major conclusions of ...

The debate over gun control in the United States has waxed and waned over the years. In particular, the ready availability of assault weapons and ammunition continues to provoke national discussion in ...

Fertility specialists have found a way for women to have babies without men. It involves a cocktail of chemicals acting as an 'artificial sperm' to trick a human egg into forming an embryo. The ...