Likely a sterile medium means an uncontaminated culture (food free of living organisms) that will grow only the new bacteria introduced for analysis. Source(s): http://www.thefreedictionary.com/sterile
Stonepelt was Bluestar's first mentor and a very well-respected senior warrior of ThunderClan. It is revealed in this book that he took her to the Gathering on her second day as an apprentice because she had caught a squirrel very well for a new apprentice, and the squirrel had been as big as she was.
Abilities: Intimidate - Moxie (Hidden Ability) Intimidate: Upon entering battle, the opponentâs Attack lowers one stage. In a Double Battle, both opponentsâ Attack are lowered. PokÃ©mon with the Clear Body, Hyper Cutter, or White Smoke ability are unaffected. In a link battle, if both sides switch on the same turn, and first player sends out a PokÃ©mon with Intimidate, the opponentâs Attack will be lowered before the opponentâs PokÃ©mon switches.