Growers took red and yellow carrots to create the orange root, just like using a paint box. Before then, carrots were purple, red, white, green, yellow, or black. Carrots are readily available in five main colors in the stores these days: orange, red, purple, white, and yellow. Each color has a different health benefit.
A pilot study, pilot project or pilot experiment is a small scale preliminary study conducted in order to evaluate feasibility, time, cost, adverse events, and effect size (statistical variability) in an attempt to predict an appropriate sample size and improve upon the study design prior to performance of a full-scale research project.
pilot program-activity planned as a test or trial; they funded a pilot project in six states. pilot project. trial, run, test-the act of testing something; in the experimental trials the amount of carbon was measured separately; he called each flip of the coin a new trial.