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    Darwin valentine

    Darwin’s first sketch of the tree of life from one origin

    Sad cells

    Silly Donna--do your biology first, THEN you can daydream about stoichiometry. Psh, girls.

    Just a retro concept

    Change - counseling - coaching


    If you get this, then you are a biology nerd.

    Science Major Mouse ... Biology Major problems... i've actually done this...eye and hair

    Nerdy (Periodically Speaking) T-Shirts & Hoodies by Samuel Sheats | Redbubble

    That's your homework for tonight. Thank you, Professor Philosoraptor.


    Bond.......Ionic Bond ... if only you didn't have the martini I could share this with my students.


    best joke EVER!!

    I'm repinning this because, thanks to my biology teacher, I understand this joke.

    Biology jokes.

    Cos b