Early embryonic hearts are the first functioning organ in embryos, playing a critical role in development, but don’t resemble the mature four-chambered organ we might imagine. Some anti-abortion legislation hinges on the term ‘fetal heartbeat’ to describe early cardiac activity when neither a fetus nor a chambered heart exist.

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What do giraffes, angelfish, and seashells all have in common? Their surface patterns, from the patches on giraffe coats to the stripes on the angelfish, are formed through the reaction-diffusion process, a mathematical model describing the interplay between an activator and inhibitor.

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This article first gives a background on Lyme Disease; what it is caused by, the symptoms of Lyme Disease infection and how it is treated, and “Post-Treatment Lyme Disease Syndrome” (PTLDS). It then goes into the research that has been done to better understand Lyme Disease transmissibility and explore ways to better treat infection or prevent infection entirely.

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