A new technique, based on a chain reaction of recognition and hybridization events between two sets of DNA hairpin molecules, offers an enzyme-free alternative for the rapid detection of specific ...

This work is an important contribution to understanding the role of FGF signaling in the induction of primitive-like cells in a 2D system of human gastrulation. The authors provide compelling evidence ...

While the details of the sequences were different, the general structure was the same. Mice moved between the goal locations (A B C and D) that repeated in a loop. "After experiencing enough sequences ...

Based on these core requirements, a handful of securities market structures have become the dominant trade execution structures in the world. While it may seem that all markets are similar in that ...