LexisNexis® Legal Newsroom
Antibiotics and vaccines can act as selection factors for bacteria

As noted in prior posts, almost anything has the potential to act as an evolutionary selection factor. [Yes, Virginia, there really is evolution.] A recent assessment that traces the history of a virulent strain of pneumonia-causing bacteria demonstrates that both antibiotics and vaccines can act as...

Fungus identified as cause of widespread die-off of little brown bats in U.S.

A lethal disease has been causing large die-offs of little brown bats; it has been found in bats hibernating in 16 States and 4 Canadian provinces. Researchers have now identified the fungus Geomyces destructans as the primary cause of white-nose syndrome. Tests have demonstrated that the fungus can...

Evolutionary Change Is Just That, Change, and Change Often Is a Mixed Bag and More Complex Than Anticipated

There is an unfortunate tendency to conceive of evolutionary change as causing an adaption to a selection factor that marks an improvement in addressing the environment in which the selection factor exists. Were it only so simple. Change may be an improvement, but sometimes it brings unfortunate baggage...