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he is a MOLECULAR BIOLOGIST, his doctorate is in molecular biology.

they sound similar but they are different

microbiology focuses on the microorganism and how it interacts with its surrounding

molecular biology focuses on the structure and function (ex. DNA, proteins, etc) of a biomolecules

also note, that i think microbiology is any microorganism that is alive, while molecular biology can also focus on the chemical compounds (which tech isnt alive) that exist within the molecule

microbiology is limited to bacteria and viruses (and other acellular stuff) while molecular biology is more broad and can focus on humans, plants, animals, microbes and the genetics/make-up of all of those organisms…

it kinda urks me when people get it wrong, but im not gonna be a dick abt it. I hope i dont come across as a dick.

The sharpest, best-trained pilots make worse decisions when they're tired or sick or stressed out, so there's two of them. The most dedicated and experienced air traffic controllers garble an instruction over the radio sometimes, so pilots are trained to always repeat clearances back to catch misunderstandings quickly. The best and brightest maintenance mechanic still overlooks a screw or misconnects a wire once or twice in her career, so aircraft systems are built with two or three or four layers of redundancy, and pilots are exhaustively trained to deal with failures safely. 

* New student, very small. Grace said it was pebble. Pebble is small Earth rock. Pebble likes name.

* He found out Eridians have no gender rules.

* Students brought him mineral sample. After he stopped crying he said he loves show-and-tell game. Human naming conventions oddly literal.

* I told him Earthsun grew bright.

* I took him up atop atmosphere bypass elevator to look at stars.

* He woke up from nap and found me still with him. I did not wait on his chest; he says I am heavy like “elephant” and he “couldn’t breathe.” I laid my arm over him instead, kept him close, feeling safe. He said “cuddle” was warm.

* Before class he heard younglings singing.

* He has plants in house from sprouts on ship. Plant grew “bud.”

* Engineers got seawater temperature right. He took off shoes and stood in water, sighing. He didn’t care about pants getting damp. Cried until shirt was also damp. Humans very endlessly wet.

* He missed “Doritos.”

* Adrian helped food scientists make taumoeba dried paste. Made it crunchy after heating. We fused it into triangle form. Told him it was Tauritos. That made him laugh-cry. Laugh-cry is rare and precious.

* He remembered Eridians have no gender rules.

* We made him celebration outfit. Used metals he calls pretty. He can see frequencies named “colorful” and “shiny.” These make humans happiest.

* I gave him hug when he wasn’t expecting it. Easier to hug close now with exosuit. Hug when Grace sitting down so he does not fall over.

If you ever wondered why they call tattoos and piercings "unprofessional" and "unsophisticated"