NASA @NASA
Astronaut Kate Rubins, the 1st person to sequence DNA in space, will be answering questions during today’s @Tumblr Answer Time. Kate has spent her career studying dangerous pathogens on Earth & advancing science on the @Space_Station! Tune in at 1pm ET 📺: https://t.co/rorhqpHp2n https://t.co/dLDI3cLqFp — PolitiTweet.org