Got a 2.4 GPA my first semester in college. Thought maybe I wasn’t cut out for engineering. Today I’ve landed two spacecraft on Mars, and am now designing one for the Moon. STEM is hard for everyone. Grades ultimately aren’t what matter. Curiosity and perseverance matter.

damn book aint playing!

New paper in @NatureMedicine: "Our analyses clearly show that SARS-CoV-2 is not a laboratory construct or a purposefully manipulated virus." go.nature.com/2x2aKIn

Cambridge University Press has just made all 700 textbooks currently available in HTML format on Cambridge Core free to access until the end of May to assist readers during the Covid-19 outbreak. This also includes 58 textbooks in Language and Linguistics. cambridge.org/core/what-we-p…