Population genetics is a subfield of genetics that deals with genetic differences within and between populations, and is a part of evolutionary biology. Studies in this branch of biology examine such phenomena as adaptation, speciation, and population structure.
RVCA (pronounced: rue-cah) is a clothing company based in Costa Mesa, California. The logotype for RVCA portrays the letter A without a crossbar. This leaves it looking like a lambda .The 'V' looking character in RVCA name is a 'U'. The 'U' is written in traditional Roman script, and thus appears as a 'V'.
DACA is an acronym frequently popping up in the news and it refers to the federal program called Deferred Action for Childhood Arrivals. The program allows individuals who came to the United States as children and who meet certain qualifications to request deferred action against removal for two years.