Image by Smith et al, subject to CC-BY 4.0 March 2016 Episode 28 Sign up to receive weekly alerts on new content from eLife Sign up Download Subscribe In this episode we hear about aging, artificial fingertips, ancient DNA, antibiotic resistance and dengue fever. Gender divideThe guts of male and female fruit flies age differently Short Report by Regan et al. Feeling betterAn artificial fingertip can recreate a sense of touch Research Article by Oddo et al. Why did plagues stop?DNA from 18th century teeth reveals plague secrets Research Article by Bos et al. Following the food chainGenomics can track antibiotic resistance during beef production Research Article by Noyes et al. Risk assessmentAn early warning system for dengue fever Research Article by Lowe et al.