The patterns of interest are leucine-aspartic acid motifs. These are short amino acid sequences found within some proteins designed to connect them to the cellular molecules which control cell ...

Early development is like a carefully choreographed dance, with uniform swaths of cells arranging themselves into elaborate patterns—a first step toward the formation of functional organs. A flat ...

Add Yahoo as a preferred source to see more of our stories on Google. Federal climate scientists say a rapidly strengthening El Niño is increasingly likely to rank among the most powerful events ...