Recent Posts

Humans can transmit diseases to gorillas
Posted on 30 Apr 2011 by Thomas H. Clarke, Jr.

Prior posts have noted and described a number of human diseases that had their origin in animals. Now it appears that some diseases can be transmitted from humans to gorillas. Ecotourism has been seen as a boon for countries with "interesting"... Read More

In a smallish room, body heat draws particles near, enhancing inhalation
Posted on 23 Jun 2010 by Thomas H. Clarke, Jr.

Most models involving inhalation of particulates of various sorts (e.g., microbes, pollen, dust, toxins) assume a somewhat even distribution of the particulates in the air that is inhaled. While such an assumption helps to simplify exposure calculations... Read More