The Chinese government’s media mouth-piece spouted that the Chinese authorities, foreign and domestic tech companies related to the Internet (such as SINA Corporation and Google Inc.) along with others should purge the Internet of dirty, toxic and unnecessary rumors in the latest display of the Chinese government’s urgency to stamp out or rather control hundreds...

Last week I got an email query — usually it is the writers who query — from a company that does publicity for authors.  They wanted to know if I would like to pay them to promote my books and they provided lots of creds about dealing with big name publicity outlets on TV and in print.  I asked them if they were prepared to take on an earlier task in the “business...

The preimplantation human conceptus would be destroyed by an attack by the mother’s immune system, as half of its contents come from its father. Instead, the conceptus temporarily increases its production of prostaglandin E2, which, when elevated, becomes a powerful immunosuppressant, to ward off the attack. In the absence of this mechanism, reproduction would be impossible....