This week Tim Cat and Alex ask:

What is the likelihood of technologically advanced life on other planets? The Drake Equation has the answer…It is 52. Kidding. You need to listen to find out.

Why is most of the human population Rhesus positive? Maybe it reduces the  likelihood of toxoplasmosis infection.

Want to live on Mars?  ANU researchers begin trials into how cyanobacteria survive and how we could mimic some of their traits, plus examine how these traits might find life.

Sources:

Drake equation:https://seti.org/drake-equation-index

Rhesus factor: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3622667/

Live on Mars? : https://science.anu.edu.au/news-events/news/study-may-help-humans-colonise-mars-and-hunt-alien-life