Math Seminars provides a listing of mathematical research seminars, talks and conferences where you can watch by online.
Please see https://mathseminars.org
Convert images of equations to LaTeX
Take a screenshot of math and paste the LaTeX into your editor, all with a single keyboard shortcut.
Read more in https://mathpix.com/
Tex for Gmail
TeX for Gmail and Inbox is a Chrome extension which adds (La)TeX capability to Gmail and Inbox by Google