Much of the phenotypic variation that is observed within and between species is the result of differences in gene regulation: specifically when, where and how much the genes are expressed. Given the ...

The human body is the greatest form of expression. From the clothes one wears to the things one says and does, expression is a form of self art. Sign language is a form of expression — one that ...

For more than 150 years ago, the assumption that language is a singular event has hampered progress in explaining its evolution. Another obstacle was the failure to recognize that certain social ...