Substances used either in the prevention or facilitation of pregnancy.
Organisms, biological agents, or biologically-derived agents used strategically for their positive or adverse effect on the physiology and/or reproductive health of other organisms.
Use of naturally-occuring or genetically-engineered organisms to reduce or eliminate populations of pests.
Chemical substances which are employed during a riot in order to control or disperse the rioting parties.
A family of winged insects of the suborder HETEROPTERA, called assassin bugs, because most prey on other insects. However one subfamily, TRIATOMINAE, attacks humans and other vertebrates and transmits Chagas disease.
An order of fungi in the phylum ASCOMYCOTA characterized by stromatic perithecial forms in most species. Notable genera are Magnaporthe and Glomerella, the latter having the anamorph (mitosporic form) COLLETOTRICHUM.