![DNA barcoding used to test food](/sites/default/files/styles/resource_card_image_360x300_/public/2020-02/DNA_barcoding_food_testing.jpg?itok=Hidu7x3v)
The Classification of Life: From Linnaeus to DNA Barcoding
Backgrounders
Learn about two taxonomy systems that scientists use to classify the life around us.
![Cartoon mammoth](/sites/default/files/styles/resource_card_image_360x300_/public/2019-10/Cartoon_mammoth.jpg?itok=yPc7tmR_)
Should Scientists Clone Extinct Species?
STEM Explained
Cloning makes it possible to bring extinct species back to life. But is that a good idea?
![Down Syndrome karyotype](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/downsyndrome-karyotype.jpg?itok=c1Yti3xE)
Meiosis Mistakes
STEM Explained
Errors during meiosis can alter the number of chromosomes in cells and lead to genetic disorders.
![Great tits eat from a bird feeder](/sites/default/files/styles/resource_card_image_360x300_/public/2019-10/Great_tits_bird_feeder.jpg?itok=aiRpq_-G)
Natural Selection in Your Backyard
STEM Explained
A study on bird feeders and beak sizes shows how an everyday human activity can affect the evolution of another species.
![DNA "unzipping"](/sites/default/files/2019-10/DNA_unzipping.png)
How can I obtain a sample of DNA?
Hands-on Activities
Be a biochemist! Learn how to extract DNA from an onion and find out what DNA looks like.
![An artist’s interpretation of gene editing technology](/sites/default/files/styles/resource_card_image_360x300_/public/2019-10/gene-editing-technology.jpg?itok=v9CJqTwX)
Genome Editing
STEM Explained
Medical biotechnology allows scientists to make changes to the genomes of living things. What are the pros and cons of having access to techniques like these?
![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.
![a boy looks at a hamburger](/sites/default/files/styles/resource_card_image_360x300_/public/2019-10/boy_looking_at_hamburger.png?itok=Lc9CtrR6)
Do You Know What's On Your Plate?
STEM Explained
In 2013, many Europeans learned their beef lasagnas were actually made of horse meat. Learn about food fraud, and how a Canadian invention can help detect it.
![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.
![Jordan Thomson | Manager, Strategic Planning at Ontario Genomics Jordan Thomson | Responsable de la planification stratégique chez Ontario Genomics](/sites/default/files/styles/career_image/public/5328_13.jpg?itok=azEF_UIA)
Jordan Thomson
Career Profiles
Manager, Strategic Planning
![Amanda Naaum | Lead Molecular Biologist at TRU-ID Amanda Naaum | biologiste moléculaire en chef chez TRU-ID](/sites/default/files/styles/career_image/public/5323_13.jpg?itok=uTRrzGQT)
Amanda Naaum
Career Profiles
Lead Molecular Biologist at TRU-ID
![Andrew Bullen | Science Teacher Andrew Bullen | Enseignant de sciences](/sites/default/files/styles/career_image/public/4866_13.jpg?itok=wYaUk0wb)
Andrew Bullen
Career Profiles
Science Teacher
![Kathy Deuchars | Ontario Genomics Kathy Deuchars | Ontario Genomics](/sites/default/files/styles/career_image/public/4540_13.jpg?itok=tCzkikZ2)
Kathy Deuchars
Career Profiles
Senior Manager
![Marc Fiume | CEO at DNAstack Marc Fiume | PDG de DNAstack](/sites/default/files/styles/career_image/public/4539_13.jpg?itok=67Xw7RXl)
Marc Fiume
Career Profiles
CEO