A cohort is a group of people who share a common characteristic or experience within a defined period (e.g., are currently living, are exposed to a drug or vaccine or pollutant, or undergo a certain medical procedure).
A rift valley is a lowland region formed by the interaction of Earth's tectonic plates. This small rift valley has a typical formationâlong, narrow, and deep. It was formed by the Thingvellir rift, where the North American and Eurasian tectonic plates are tearing, or rifting, apart over a hotspot on the island of Iceland.
Damaged Core. Damaged Core is, in our opinion, the best first-person shooter for the Oculus Rift, and is overall one of the best Rift games you can buy. The campaign, which lasts over 10 hours, throws you up against an evil robot army that wants to destroy the fleshy meatbags known as humans.