Go to Brilliant.org/SciShow to try their Differential Equations II course. The first 200 subscribers get 20% off an annual Premium subscription. While you probably aren’t going to get sick from just being outside in all this microbe rain, pathogenic organisms ARE raining down on us all the time, everywhere! Hosted by: Olivia Gordon SciShow has a spinoff podcast! It's called SciShow Tangents. Check it out at www.scishowtangents.org ---------- Support SciShow by becoming a patron on Patreon: www.patreon.com/scishow ---------- Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Eric Jensen, Matt Curls, Sam Buck, Christopher R Boucher, Avi Yashchin, Adam Brainard, Greg, Alex Hackman, Sam Lutfi, D.A. Noe, Piya Shedden, Scott Satovsky Jr, Charles Southerland, Patrick D. Ashmore, charles george, Kevin Bealer, Chris Peters ---------- Looking for SciShow elsewhere on the internet? Facebook: www.facebook.com/scishow Twitter: www.twitter.com/scishow Tumblr: scishow.tumblr.com Instagram: instagram.com/thescishow ---------- Sources: www.wired.com/2015/04/atlas-bacteria-fungi-breathe-every-day/ nyaspubs.onlinelibrary.wiley.com/doi/abs/10.1111/j.1749-6632.1980.tb18922.x citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.471.5682&rep=rep1&type=pdf www.annualreviews.org/doi/abs/10.1146/annurev-phyto-080614-115942?journalCode=phyto academic.oup.com/bioscience/article/53/5/469/241414 www.nature.com/articles/srep00152 www.mdpi.com/2073-4433/3/1/87/htm Images: commons.wikimedia.org/wiki/File:Staphylococcus_aureus_01.jpg commons.wikimedia.org/wiki/File:Soil_erosion,_Southfield_-_geograph.org.uk_-_367917.jpg www.istockphoto.com/photo/winter-woman-sneezes-gm518831890-90249437 www.istockphoto.com/photo/global-contamination-gm824053744-133530333 www.istockphoto.com/vector/bacteria-germ-stomach-viruses-biological-allergy-microbes-bacterium-epidemiology-gm1134910475-301735492 www.istockphoto.com/photo/garden-soil-texture-background-top-view-cut-out-gm1145184738-308162785 www.istockphoto.com/photo/autumn-background-gm1161394969-318230082 www.istockphoto.com/photo/young-fresh-green-leaves-in-springtime-closeup-of-beech-leaves-gm1127549747-297219823 www.istockphoto.com/photo/smoke-and-fire-gm184909824-1943247 www.istockphoto.com/photo/rainy-day-in-summer-gm181057539-25661340 www.istockphoto.com/photo/bacteria-with-fur-closeup-gm173023937-7289219 www.istockphoto.com/vector/planet-earth-gm1124415186-295159942 www.istockphoto.com/photo/super-typhoon-yutu-strongest-storm-on-earth-in-2018-satellite-view-elements-of-this-gm1059301550-283139332 www.istockphoto.com/photo/corals-beginning-to-bleach-in-indonesia-gm1174530209-326696673