BPA exposure may be underestimated because of laboratory method used

Prior posts have discussed various animal studies that have reported the potential for adverse impacts from BPA exposure, as well as the controversial conclusions of FDA under President Bush in assessing the risk of such exposure to humans. Recently published research suggests that the standard approach...

Occupancy by humans of the Americas is pushed back further

Prior posts have noted the slowly mounting evidence that the "Clovis first" hypothesis is flawed (that is, that people with a uniquely sophisticated fluted blade were the first human occupants of North America and came to North America between 13,100 and 12,800 years ago). A number of sites...

Armadillos may transmit leprosy

It has been long suspected, and more or less recently confirmed, that animals (particularly those that were domesticated thousands of years ago) are the source of many major human diseases, including diseases that ironically are no longer found in animals. See, for example, http://www.nature.com/nature...