The ALPHA experiment, including Professor Scott Menary and grad student Darij Starko, is the first to use lasers to cool a sample of antimatter to near absolute zero. Check out some of the media coverage below or read the Nature paper.

https://www.cbc.ca/news/technology/antimatter-laser-1.5970894

https://yfile.news.yorku.ca/2021/03/31/york-researchers-part-of-international-effort-to-cool-a-sample-of-antimatter-to-near-absolute-zero/?utm_source=YFile_Email&utm_medium=Email&utm_content=Top-Stories&utm_campaign=yfile

https://www.wired.com/story/physicists-learn-to-superfreeze-antimatter-hint-pew-pew/