As viewed from a human perspective, nature has done some ingenious engineering to overcome some of the obstacles it has faced. Take the evolution of sex, for instance. To make the move from asexual to ...

Most of the time, when a cell in our bodies divides, each new cell carries a complete set of chromosomes. The cells involved with human reproduction, however, carry only half after division occurs. In ...

Alternative pre-mRNA splicing is critical for post-transcriptional regulation of gene expression, during which particular exons from the same pre-mRNA might be excluded, included or modified to ...