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SummaryComparative research reveals extraordinary animal athleticism—mites lift >1000 times their body weight, mantis shrimp strike their prey with the force of a bullet, and peregrine falcons dive toward prey at 335 mph (539.13 km/hour)…

SummaryPlants produce 24-nucleotide (nt) small interfering RNAs (siRNAs) to maintain asymmetric DNA methylation in cis—that is, an siRNA will methylate DNA in the same region from which it is produced (1). However, 24-nt siRNAs also direct…