Health

The air pressure in the ground around most houses is often greater than the air pressure inside the house. Thus, air tends to move from the disturbed zone, resulting from its construction, into the house through openings in the house's foundation. All...
The earth is estimated to hold about 1,460,000,000 cubic kilometers of water. The breakdown of where all that water resides is estimated as follows: Oceans (saline) 1,419,120,000 cubic kilometers Ice caps and glaciers (fresh) 31,244,000 cubic...
This is a very broad question, and difficult to answer without a bit more context. Pollution comes in many forms; chemical, thermal, acoustic, and physical for example. Each of these types of pollution affect individual sturgeons and populations of...
Most states have set fish (and wildlife) consumption advisories and recommended consumption levels. The state agency responsible for these limits varies. Examples of consumption advisory information can be found at Consumption Advisories.  
Yes. Lamprey and hagfish are both jawless fishes. They are the only living members of the taxonomical class Agnatha (Greek for “no jaws”). 
No, salmon are not endangered world-wide. For example, most populations in Alaska are healthy. Some populations in the Pacific Northwest are much healthier than others. These healthy populations usually occupy protected habitats such as the Hanford Reach...
Experimentally, it was found that this may be possible. However, there has been no evidence to indicate transmission of WNV to cats or dogs that carry or consume infected animals has occurred naturally. Dogs and cats can get infected by the bite of a...
Based on safety reports available from the EPA, many of the pesticides being used by local agencies for mosquito control are considered to have very low toxicity to birds. For more information, contact your local health department for information on the...
The highly pathogenic (HPAI) H5N1 strain of avian influenza has not been detected in the United States or anywhere in North America. Low pathogenic (low probability of creating disease) strains of avian influenza, however, are commonly present in...
Yes. In May 2005, highly pathogenic avian influenza (HPAI) H5N1 was detected for the first time in wild birds at Lake Qinghai, in China, where bar-headed geese (Anser indicus) died. This marked the first time since 1961 in which large numbers of wild...