xkcd #3104: Tukey

xkcd #3103: Exoplanet System

xkcd #3101: Good Science

xkcd #3100: Alert Sound

xkcd #3099: Neighbor-Source Heat Pump

xkcd #3098: Trojan Horse

xkcd #3097: Bridge Types

xkcd #3096: Check Engine

xkcd #3095: Archaea

xkcd #3094: Mass Spec

xkcd #3093: Drafting

xkcd #3092: Baker's Units

xkcd #3091: Renormalization

xkcd #3090: Sail Physics

xkcd #3088: Deposition

xkcd #3087: Pascal's Law

xkcd #3086: Globe Safety

xkcd #3085: About 20 Pounds

xkcd #3084: Unstoppable Force and Immovable Object