![Green walls in Harvard University](/sites/default/files/styles/resource_card_image_360x300_/public/2020-05/Green_wall_Harvard_University.jpg?itok=_ivWsw8S)
Green Walls
STEM Explained
Green walls use plant processes to improve air quality in buildings.
![Hand with screwdriver “repairing” DNA](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/DNA_repair.png?itok=jwH_hm9z)
DNA Damage and Repair
Backgrounders
This backgrounder explains the different ways that cells repair damage to DNA.
![Massive algal bloom](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/massive-algal-bloom.jpg?itok=pqgXB2yc)
Eutrophication: Why you should care about pond scum
STEM Explained
When fertilizers from agriculture get into lakes and rivers, big problems can result for aquatic ecosystems, food chains & webs!
![T cells and cancer cells - Image © Meletios Verras, iStockPhoto.com](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/T%20cells%20and%20cancer%20cells.jpg?itok=H8EzjFj9)
Can Your Own Cells Cure Cancer?
STEM Explained
When a person has cancer, CAR-T Therapy uses their own cells to destroy the cancer cells in their body.
![Test tubes in a laboratory](/sites/default/files/styles/resource_card_image_360x300_/public/2019-10/Test_tubes_in_a_lab.jpg?itok=Fyj1TcIR)
DNA Extraction
Backgrounders
Learn the basics of how DNA can be extracted from cells.
![Damage to DNA](/sites/default/files/styles/resource_card_image_360x300_/public/2019-10/Damage_to_DNA.jpg?itok=qSvdjV4V)
Radiation Effects on Cells & DNA
Backgrounders
This backgrounder explains the effects of radiation on cells and DNA.
![Andy Kokaji | Associate Director of Immunology, STEMCELL Technologies Andy Kokaji | Directeur associé de Immunologie, STEMCELL Technologies](/sites/default/files/styles/career_image/public/6156_13.jpg?itok=dSnrxQ5t)
Andy Kokaji
Career Profiles
Associate Director of Immunology
![Michael Hiatt | Scientist, STEMCELL Technologies Michael Hiatt | Scientifique, STEMCELL Technologies](/sites/default/files/styles/career_image/public/6158_13.jpg?itok=nfpQ38fQ)
Michael Hiatt
Career Profiles
Scientist
![Lauren Ostrowski | Ph.D. Candidate at the University of Toronto Lauren Ostrowski | Doctorante à l’Université de Toronto](/sites/default/files/styles/career_image/public/5543_13.jpg?itok=I_tkB2ih)
Lauren Ostrowski
Career Profiles
Ph.D. Candidate
![Kofi Adasi | Biology Lecturer Kofi Adasi | Chargé de cours en biologie](/sites/default/files/styles/career_image/public/3303_13.jpg?itok=ayAxikVr)
Kofi Adasi
Career Profiles
Biology Lecturer