Dianna Cowern

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Dianna Cowern
Cowern during Vidcon 2018
Personal information
Born (1989-05-04) May 4, 1989 (age 33)[1]
Kauai, Hawaii, U.S.
EducationMassachusetts Institute of Technology[1][2]
OccupationScience communicator
YouTube information
Also known asPhysics Girl
Years active2011-present
  • Science
  • Education
Subscribers2.49 million[3]
(Jul 2022)
Total views196.0 million[3]
(Jul 2022)

Last updated: 12 Jul 2022

Dianna Leilani Cowern (born May 4, 1989) is an American science communicator. She is a YouTuber who uploads videos to her YouTube channel Physics Girl explaining various physical phenomena. She worked in partnership with the PBS Digital Studios from 2015 until 2020, when she discontinued her partnership.[4] She has collaborations with other YouTube personalities, including fellow science communicator Derek Muller of the channel Veritasium, maker Simone Giertz, and mathematics animator Grant Sanderson of 3Blue1Brown.


Cowern was born May 4, 1989 and raised in Hawaii.[5] While in high school, she was inspired by Neil deGrasse Tyson and became interested in communicating science.[6] She studied Physics at the Massachusetts Institute of Technology, graduating in 2011 with a bachelor's degree.[6][7]


After graduation, Cowern was a research fellow at the Center for Astrophysics | Harvard & Smithsonian.[8] Cowern began as outreach coordinator at University of California at San Diego's Center for Astrophysics and Space Sciences research unit.[1] She started making science videos while working as an app developer at General Electric. In 2014, she won the top video prize from the Alan Alda Center for Communicating Science at Stony Brook University.[1] She has discussed science on national media, including U.S. News & World Report.[9]

In February 2017, she did a talk at Google titled 'Becoming YouTube's Physics Girl'.[10] In December 2017, she was featured in an interview in APS News.[11] Cowern has been featured in the Huffington Post, Slate, and Scientific American blogs.[12][13]

In 2018, Cowern won a Webby Award for Best Web Personality and was listed in Forbes 30 under 30 in the category of education.[14][15]

On September 25, 2020, Dianna announced on her YouTube channel in the video, "Why RED BUBBLES are impossible… or are they?!" that she would be ending her five-year partnership with PBS Studios.[16]

It was announced on June 23, 2022 that Cowern would be doing a science based talk show for Curiosity Stream's Originals called Proof of Concept.[17] The show started streaming in August 2022.[18]

Personal life[edit]

In an Instagram post dated November 8, 2022, Cowern revealed that, since July, 2022, she had been dealing with the health effects of long COVID, suffering physical and mental symptoms associated with the syndrome. For this reason, her video release schedule had slowed dramatically, with the only videos released during her convalescence consisting of material filmed prior to her illness. She indicated the intention to release a video on her channel documenting her experience with the syndrome, but with no firm release date.[19]


  1. ^ a b c d McDonald, Kim (June 5, 2014). "UC San Diego's 'Physics Girl' Wins National Competition".
  2. ^ Lanning, Carly (March 18, 2015). "YouTube's Physics Girl is science-loving superhero". The Daily Dot.
  3. ^ a b "About Physics Girl". YouTube.
  4. ^ "Physics Girl". PBS Digital Studios. Retrieved December 13, 2017.
  5. ^ "Dianna Cowern (Physics Girl) | VidCon US". Archived from the original on June 24, 2019. Retrieved June 14, 2019.
  6. ^ a b "Meet Physics Girl, the YouTuber who makes a living explaining science". Science | AAAS. March 16, 2017. Retrieved February 6, 2018.
  7. ^ Cho, Adrian (March 16, 2017). "Meet Physics Girl, the YouTuber who makes a living explaining science". AAAS. Retrieved May 23, 2020.
  8. ^ Education, P. B. S. (October 26, 2019). "Why Being Held Back Was the Push Forward I Needed". PBS Education.
  9. ^ "Dianna Cowern - U.S. News STEM Solutions". U.S. News STEM Solutions. Retrieved February 6, 2018.
  10. ^ Cowern, Dianna (February 7, 2017), Dianna Cowern: "Becoming YouTube's 'Physics Girl'" | Talks at Google, Talks at Google, retrieved February 6, 2018
  11. ^ Gaal, Rachel (December 2017). "YouTube's Physics Girl". APS News. 26 (11): 2, 7. Retrieved December 13, 2017.
  12. ^ "Dianna Cowern (Physics Girl)". Retrieved February 6, 2018.
  13. ^ PBS Digital Studios (November 18, 2016), Searching for Dark Matter | Dianna Cowern | PBSDS Nerd Night 2016, retrieved February 6, 2018
  14. ^ "Dianna Cowern – Physics Girl -- The Webby Awards". Retrieved March 18, 2020.
  15. ^ "Dianna Cowern". Forbes.
  16. ^ Cowern, Dianna (September 25, 2020). Why it’s impossible to make a red bubble… or IS it?!. Retrieved September 25, 2020.
  17. ^ "Physics Girl Dianna Cowern set to host Curiosity's upcoming original series 'Proof Of Concept.'". BusinessWire. June 23, 2022. Retrieved August 29, 2022.
  18. ^ "Proof of Concept Conceiving Consciousness". Curiosity Stream. Retrieved August 29, 2022.
  19. ^ "Instagram post dated November 8, 2022". Instagram. November 8, 2022. Retrieved November 9, 2022.

External links[edit]