Aging entails many physical, biological, chemical, and psychological changes.

It also is unlikely to have specific interactions with biological chemicals.

A disruption, chemical, biological, or otherwise, in humans' ability to reproduce properly or at all.

Chemical weathering is the direct effect of atmospheric or biological chemicals in the breakdown of rocks, soils and minerals.

Core research provides information about underlying key biological, chemical, and physical processes that can be used to solve real-world environmental problems.

At the same time, the site visits revealed weaknesses in the military's methods of reporting sites where chemical, biological and other unconventional weapons might be hidden.

Her publications include articles in plant physiology as well as medical nuclear, biological, chemical, and explosive response for the Department of Defense.

Terrorist acts may involve biological, chemical, and radiological agents not previously encountered as environmental pollutants.

Agricultural soil science studies the chemical, physical, biological, and mineralogical composition of soils as they relate to agriculture.

Cyclops can be controlled using physical, chemical, biological and engineering methods.