20 points and brainleist to whoever answers each question. when did stem cell research become known? who discovered stem cells? what experiments or studies have been conducted so far?

Hey you! Here's your  

1) Scientists discovered ways to derive embryonic stem cells in 1981, more than 30 years ago. 

2) Canadian Scientists Dr. James Till and Ernest McCulloch, who did pioneering studies in stem cell research, were the first to discover stem cells.

3) Thousands of experiments and studies have already been conducted on stem cells and research.

I Really Hope This Helped You! :)