This unexpected adventure is fueled by a passion for what we do and resilience! We keep track of our milestones to remind ourselves to keep moving forward. 
Select a milestone date BELOW and scroll down to see the event!
July 12, 2013
​Channel Creation Date
July 21, 2013
​First Video Upload
November 16, 2013
​Subscriber Milestone
February 17, 2014
Subscriber Milestone
July 2014
Started attending conferences
September 8, 2014
Subscriber Milestone
January 29, 2015
Subscriber Milestone
May 2015
View Count Milestone
May 26, 2015
​Subscriber Milestone
February 20, 2016
​Subscriber Milestone
November 2016
​View Count Milestone
February 1, 2017
SILVER PLAY BUTTON
November 2017
Launched Unlectured Series
June 2018
View Count Milestone
July 12, 2018
​FIVE YEAR BIRTHDAY
August 24, 2018
Subscriber Milestone
December 2018
Invited to YouTube Headquarters
April 14, 2019
Published Mega Review Video
April 18, 2019
​Launched our Webtoons
May 2019
View Count Milestone
July 11, 2019
Learning Playlist Launch
November 3, 2019
Subscriber Milestone
April 1, 2020
Featured on Learn@Home with YouTube
May 11, 2020
Created "Describe the Biology with GIFs" slide set!
August 10, 2020
Representing on "United States of YouTube"
January 2021
View Count Milestone
March 20, 2021
​GOLD PLAY BUTTON
March 30, 2021
Launched a TikTok Account
April 6, 2021
​Release of New Logo!
September 15, 2021
Amoeba Sisters en Español Channel
April 11, 2023
Newsletter Released
June 7, 2023
​View Count Milestone
July 12, 2023
10 YEAR BIRTHDAY
Jan 4, 2024
​Release of New Logo!
March 20, 2024
​Subscriber Milestone
May 13, 2024
Final Draft of Book Submitted!
July 12, 2013
​Channel Creation Date
​We decide to make a YouTube channel where we could place a single video that we created on enzymes. [To learn more about why we made that first video, you can read more here.] Due to our fascination with amoebas, the fact that they're easy to draw, and the fact that  we are actually sisters- we decide to use amoeba characters and the username "Amoeba Sisters."
July 21, 2013
​First Video Upload
We upload our first video on the Amoeba Sisters channel. It is created using a cell phone to record the audio (by Pinky) and Microsoft Paint to illustrate pictures (by Petunia). Looking back...it's a bit rough...there is so much we did not know back then. But this is how we started our adventure! We end this first video saying, "Please always stay curious." It will evolve to, "We remind you to stay curious" in a soon to follow video. 
November 16, 2013
​Subscriber Milestone
February 17, 2014
Subscriber Milestone
July 2014
Started attending conferences
We go to our first conference together to present to other educators on creating in the classroom.

(P.S. Today, we continue to be passionate about this as well as providing opportunities for students to create.)
September 8, 2014
Subscriber Milestone
January 29, 2015
Subscriber Milestone
May 2015
View Count Milestone

May 2015
View Count Milestone

Cumulative View Count (on "About" tab on YouTube Channel) Hits 2 Million
May 26, 2015
​Subscriber Milestone
February 20, 2016
​Subscriber Milestone
November 2016
​View Count Milestone

November 2016
View Count Milestone

Cumulative View Count (on "About" tab on YouTube Channel) hits 10 Million
February 1, 2017
SILVER PLAY BUTTON
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Amoeba Sisters Silver Play Button for 100,000 subscribers. Click above image to see our celebration video! P.S. You can see one of Petunia's cats in the reflection.
November 2017
Launched Unlectured Series



​Finding traditional lecture and notes to be a challenge for Pinky in the classroom, we wanted to create something that could be an alternative. Our Unlectured Series is just that---it's an alternative to traditional lecture and notes. It promotes student discussion, student creation, and emphasizes why the content matters in our world. It also utilizes our short videos. 

You can continue to learn more here. 
June 2018
View Count Milestone

June 2018
View Count Milestone
Cumulative View Count (on "About" tab on YouTube Channel) hits 30 Million
July 12, 2018
​FIVE YEAR BIRTHDAY
A few things that have changed in our adventure so far:
  • Our art has improved! Petunia has no artistic background, but she has always had a desire to practice, grow, and get better. Check out our old video on homeostasis and compare it to a more recent one on homeostasis to see how we've changed.
  • Our audio is improving. Pinky took some constructive criticism about our audio to improve how we record (and where)!
  • Thanks to our amazing community, our video subtitles have been translated in over 22 languages!
  • We use different tools now. We're always experimenting.
  • We have been inspired by some very passionate educators at a variety of exciting conferences including SXSWedu, CAST, ASM Microbe, and Rice University ComSciCon.
  • We have met fascinating science communicators and science educators online! We can't say enough about master science teacher John Mead's incredible post regarding the transformative power of social media for educators.
  • We now both work full-time on the channel. Pinky will likely return to public edu in some capacity in the future as public education is where her amoeba heart remains. 
August 24, 2018
Subscriber Milestone
December 2018
Invited to YouTube Headquarters

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We were invited, along with several other educational YouTube creators, to the YouTube Headquarters in California to discuss edu content on YouTube.
April 14, 2019
Published Mega Review Video
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Our longest video (41 minutes!) we will likely ever make- this "strolls" through our biology playlist! This project spanned over a year, and we used YouTube's premiere feature to launch it.
April 18, 2019
​Launched our Webtoons
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Click above to check out our webtoons.
May 2019
View Count Milestone
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You can find a YouTube channel's cumulative view count in the "about" tab of the YouTube channel.
July 11, 2019
Learning Playlist Launch
Launch of our Learning Playlist! YouTube announced the new Learning Playlist feature at VidCon today, and we're excited to be a part of the beta launch. The learning playlist organizes our videos by chapters, includes learning objectives, and remains a designated place for our biology course playlist.
November 3, 2019
Subscriber Milestone
April 1, 2020
Featured on Learn@Home with YouTube
YouTube Learning has worked to put together a list of helpful resources to help families with school learning at home. Our channel is listed as one of several featured science channels, and all of these channels offer FREE videos on YouTube that can be useful as a learning resource.
May 11, 2020
Created "Describe the Biology with GIFs" slide set!
It is no surprise that we have loved illustrating science GIFs; we think they have so many great uses in biology! We were excited to release this free review of major biology concepts that uses our GIFs called "Describe the Biology with GIFs!"
August 10, 2020
Representing on "United States of YouTube"
So excited to be one of the creators representing in the United States of YouTube!! This is a celebration of creators who share their talents and curiosity with YouTubers all over the world.

Explore the channels of other creators here: https://yt.be/USofYouTube
January 2021
View Count Milestone
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You can find a YouTube channel's cumulative view count in the "about" tab of the YouTube channel.
March 20, 2021
​GOLD PLAY BUTTON
We are so excited to have reached the 1,000,000 subscribers milestone! We made a celebration video here (published after the milestone was reached). Thank you so much to our subscribers for this amazing adventure!
March 30, 2021
Launched a TikTok Account
We made a TikTok account, which adds to our list:
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YouTube: @AmoebaSisters
Twitter: @AmoebaSisters
Facebook: @AmoebaSisters
Tumblr: @AmoebaSisters
Pinterest: @AmoebaSisters
Instagram: @AmoebaSistersOfficial
TikTok: @AmoebaSistersOfficial
April 6, 2021
​Release of New Logo!
Did you miss our one million subscribers celebration video? We revealed our newest logo! You will see it on our YouTube channel and it slowly will make its way on our other items as well.
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Our logo over the years. Petunia loves growing in her art.
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Our new 2021 logo!
September 15, 2021
Amoeba Sisters en Español Channel
It’s here!! Our channel with our biology videos dubbed in Spanish is up! A new video should be released every 3-4 weeks.

We still greatly appreciate translated subtitles in all languages for any of our videos! Info about that here.

Update: We eventually release an Amoeba Sisters Portuguese dubbed channel and an Amoeba Sisters Hindi dubbed channel as well. 
April 11, 2023
Newsletter Released
We have so many updates that we decided to organize them on an electronic newsletter. You can view it here. We plan to create some more of these every few months to keep our viewers up to date.
June 7, 2023
​View Count Milestone
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You can find a YouTube channel's cumulative view count in the "about" tab of the YouTube channel.
July 12, 2023
10 YEAR BIRTHDAY
10 YEARS! It's exciting to look back at our very start on our milestones. We hope you enjoy our celebration video; it was released as a YouTube Premiere.
Jan 4, 2024
​Release of New Logo!
It's been 3 years since our last logo update. With Petunia's ever-developing art, it's time for the newest logo!
March 20, 2024
​Subscriber Milestone
There's something special about March 20th! We reached 1 millions subscribers (gold play button) on March 20, 2021.
Three years later — on March 20, 2024 — we reached 2 million! Thank you SO much to all our subscribers. You keep us motivated and excited to do this work every day! 
May 13, 2024
Final Draft of Book Submitted!
This is the day we finished what we've been working on for over 2 years: our book The Amoeba Sisters' Cartoon Guide to Biology. With over 350 pages and over 500 illustrations, it's been an adventure for sure! Now it gets sent to the printers. More about our book HERE.
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And...we remain a work in progress!
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