Today, you’ll learn about an unusual proposal to use human tinkle to make buildings on Mars, a billion-year-old black diamond with an interstellar history and what it’s going to take for airplanes to become totally electric. 

A very unusual proposal to use human waste products could allow us to build on Mars. 

Researchers propose making concrete with human bodily fluids by Hunter Dulay

• https://sciworthy.com/researchers-propose-making-concrete-with-human-bodily-fluids/

Mars explorers might make concrete-like materials from their own blood and urine by Amanda Kooser

• https://www.cnet.com/science/mars-explorers-might-make-concrete-like-materials-from-their-own-blood-and-urine/

Concrete on Mars Could Literally Be Made Out of Astronaut Blood, Sweat, And Tears by Michelle Starr

• https://www.sciencealert.com/mars-concrete-could-be-made-out-of-alien-dust-and-astronaut-blood

Blood, sweat, and tears: extraterrestrial regolith biocomposites with in vivo binders by A.D. Roberts, D.R. Whittall, R. Breitling, E.Takano, J.J. Blaker, S.Hay, and N.S. Scrutton

• https://www.sciencedirect.com/science/article/pii/S2590006421000442#!

A Brief History of the Flush Toilet by The British Association of Urological Surgeons

• https://www.baus.org.uk/museum/164/a_brief_history_of_the_flush_toilet

What is Plasma? by University of Rochester Health Encyclopedia

• https://www.urmc.rochester.edu/encyclopedia/content.aspx?ContentTypeID=160&ContentID=37#:~:text=The%20main%20role%20of%20plasma,blood%20through%20your%20circulatory%20system.

A billion-year-old black diamond has an interstellar - and very rich - history.  

The Enigma: Billion-year-old black diamond sold for £3.16m by BBC News

• https://www.bbc.com/news/business-60328375

A Huge Black Diamond, Purportedly From Outer Space, Is Now Up for Sale by Corryn Wetzel

• https://www.smithsonianmag.com/smart-news/a-massive-black-diamond-claimed-to-come-from-space-is-going-on-sale-180979438/

55-sided, 555-carat 'Enigma' black diamond (potentially from space) goes on sale by Harry Baker

• https://www.livescience.com/enigma-black-diamond-auction

Enigma Black Diamond Sells For $4.3 Million At Auction by Tanya Klich

• https://www.forbes.com/sites/tanyaklich/2022/02/09/enigma-black-diamond-sells-for-43-million-at-sothebys-auction/?sh=4d190d59361c

How an Ad Campaign Invented the Diamond Engagement Ring by Uri Friedman

• https://www.theatlantic.com/international/archive/2015/02/how-an-ad-campaign-invented-the-diamond-engagement-ring/385376/

We have electric cars, but what’s it going to take for airplanes to become totally electric? 

What It’ll Take to Get Electric Planes Off the Ground by Gregory Barber

• https://www.wired.com/story/what-itll-take-to-get-electric-planes-off-the-ground/

The challenges and opportunities of battery-powered flight by Venkatasubramanian Viswanathan, Alan H. Epstein, Yet-Ming Chiang, Esther Takeuchi, Marty Bradley, John Langford & Michael Winter 

• https://www.nature.com/articles/s41586-021-04139-1

Electric Planes Are Coming Sooner Than You Think by Elissa Garay

• https://www.afar.com/magazine/electric-planes-are-coming-sooner-than-you-think

World's first electric plane start up parts ways with CEO in mysterious rift by Jennifer Korn

• https://www.cnn.com/2022/02/17/tech/eviation-ceo-exit/index.html

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