ETW190: Tree Line Variation, Machine Learning, Quick News, and a 3-D printed house

ETW189: Messages, Microbes, Musk, Sex, and Smell.

A New Advanced Building, and Biology

Space Hotels and A New Organ. An Organ that is just now being recognized and may be the largest!

Guest Abel Mendez - Director of the PHL, Planetary Habitability Laboratory, at the University of Arecibo, Puerto Rico

Guest Dan West - Legislative Advocate at the Natural Resources Defense Council

Falcon Heavy Launch and the Mayans

Guest Kasia Hrecka - PhD in HIV and the Immune System

Guest Alice Cheng - PhDizzle

Guest Alan Geleynse