MIT’s new microneedle patch is made just for plants

By Ben Coxworth 2020 Apr 27 – The microneedle patch (red) has been successfully trialed on plants such as tomatoes.  MIT. – When it comes to safer, less painful, slow-release alternatives to the hypodermic injection of medications, “microneedle patches” show a lot of promise. …

What Was Hygiene Like In The Aztec Empire?

  By Melissa Sartore – Updated 2019 Nov 12 – The Aztec, a collective of Mesoamericans who thrived from the 14th to the 16th centuries, were the inheritors of ancient cultural traditions from their Olmec, Mayan, and Toltec predecessors. Aztec hygiene practices reflected …