Karl J. Lewis, PhD
karljlewis.bsky.social
Karl J. Lewis, PhD
@karljlewis.bsky.social
Assistant Professor, Biomedical Engineering, Cornell University
Found an interesting new substack online!
It aims to “to spark thoughtfulness—and maybe real-world Socratic dialectic—about a wide variety of topics…”

t.co/mGoIUCEb81
https://open.substack.com/pub/profpoorrichard/p/a-step-forward?utm_campaign=post&utm_medium=web
t.co
May 2, 2025 at 3:06 PM
Our lab recently recieved NSF funds to characterize the role of osteocyte acetycholine signaling in bone mechanotransduction. This set of basic science experiments will provide key insights into a novel signaling paradigm!
news.cornell.edu/stories/2025...
Study to explore nerve-like behavior of bone cells with NSF grant | Cornell Chronicle
Cornell biomedical engineers will use the grant to investigate how osteocytes – specialized cells that respond to and regulate forces within bones – interact with and are impacted by the part of the n...
news.cornell.edu
April 1, 2025 at 6:39 PM
Reposted by Karl J. Lewis, PhD
Apply to be an ORS Volunteer! This is your chance to give back, share your expertise, and help advance #orthopaedics. Various roles are available for active ORS members at any career level. Learn more and apply: www.ors.org/volunteer/
March 12, 2025 at 2:02 PM
Reposted by Karl J. Lewis, PhD
Biomedical researchers! If you've not already done so, please use our advocacy letter templates at aimbe.org/advocate/.

We also urge people to call their lawmakers to voice their concerns while the proposed NIH 15% cap on indirect cost rates is temporarily blocked under a restraining order 👇
February 14, 2025 at 4:32 PM
Reposted by Karl J. Lewis, PhD
Can whole-brain imaging of cellular c-Fos signals be used to classify #psychedelics? 🧠🔬💊

Our study by @aboharbf.bsky.social and @pashadavoudian.bsky.social, developing an imaging and machine learning pipeline to test a panel of psychoactive drugs.

Paper here 👇
www.nature.com/articles/s41...
Classification of psychedelics and psychoactive drugs based on brain-wide imaging of cellular c-Fos expression - Nature Communications
A challenge in psychiatric drug discovery is to predict the therapeutic potential of a novel compound. Here, the authors show that brain-wide imaging of immediate early gene expression can be used to ...
www.nature.com
February 13, 2025 at 3:51 PM
Seeing a meeting free afternoon on a Friday
a man singing into a microphone with the words this is heaven behind him
ALT: a man singing into a microphone with the words this is heaven behind him
media.tenor.com
February 14, 2025 at 2:55 PM
This is the tenor of conversation about academia in some corners of the public sphere. (How) are academics discussing these points? #academia

www.youtube.com/watch?v=nSb3...
Why universities are broken, and how to fix them | Marc Andreessen and Lex Fridman
YouTube video by Lex Clips
www.youtube.com
January 29, 2025 at 8:22 PM
Reposted by Karl J. Lewis, PhD
Happy Lunar New Year! 🧧🏮🧨
新年快樂
平安健康
如意順心
#YearOfTheSnake 🐍
January 29, 2025 at 12:18 PM
I've been playing with AI generated images using photos of my dog Indy. This started as a cropped image of him lying on the floor. I asked ChatGPT (4o) to create a colorful and whimsical image using the photo ... This is what it made 😂 #AiArt #AiIndy
January 29, 2025 at 7:06 PM
This is a really cool example of well rounded science training in The Lewis Lab! Melia wrote an article highlighting Andi's amazing efforts as TA. Andi will continue her exploration of teaching with a a Dept of Edu GAANN Fellowship @cornelluniversity.bsky.social.
news.cornell.edu/stories/2025...
Ready to inspire: Fellowship program turns students into educators | Cornell Chronicle
The Graduate Assistance in Areas of National Need program, or GAANN, funds and trains graduate students to teach engineering concepts as a lead instructor in the classroom.
news.cornell.edu
January 21, 2025 at 8:53 PM
Hello #academia #ortho and #musculoskeletal communities of Bluesky! AI-Indy and I are glad to join the platform to continue engaging with the broader community 🦴🔬🧪👨‍🔬
December 18, 2024 at 7:55 PM