Two isolated mountain lion populations in southern California's Santa Ana and Santa Monica Mountains are at risk of local extinction, perhaps as soon as within 50 years, according to a study publ..

Modern analytical tools like mass spectrometers can identify many unknown substances, allowing scientists to easily tell whether foods or medicines have been altered. However, the cost, size, power co..

Parkinson's disease is a neurodegenerative disorder that leads to progressive brain cell death and extensive loss of motor function. Despite much research being conducted on this disease, there a..

With the release of youth football-helmet ratings — consumers can see which helmets best reduce concussion risk.

Coyotes eat deer, but not enough to limit the deer population at a large scale. A new study of deer numbers across the eastern United States has found that the arrival and establishment of coyote pred..

As an organism grows and responds to its environment, genes in its cells are constantly turning on and off, with different patterns of gene expression in different cells. But can changes in gene expre..

Scientists have discovered a never before reported behavior of queen bumblebees.

A multi-disciplinary team of biological engineers, microbiologists, and systems biologists, whose goal it is to uncover the causes of tolerance to infection exhibited by certain individuals or species..

Water is a source of concern for disseminating the bacteria Legionella pneumophila and Mycobacterium avium, which cause lung disease (legionellosis and pulmonary nontuberculous mycobacterium disease, ..

Increasing numbers of tourists are interested in observing wildlife such as African elephants, and income generated from tourism potentially aids in the protection of animals and their habitats. Howev..