![A 3D-rendered illustration of stem cells](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/3D_rendering_stem_cells.jpg?itok=FILo3TBN)
My Stem Cell Donation Story
STEM Explained
In April 2016, Let’s Talk Science volunteer Daniel Tarade donated stem cells to help a person who needed a stem cell transplant to survive. Learn what stem cells are, how and why people donate, and what Daniel’s experience was like.
![Seed Germinating Seed Germinating](/sites/default/files/styles/resource_card_image_360x300_/public/Seed_germination.jpg?itok=wV7-g9v7)
Plants: Germination
Picture Collections
6 images of some seedlings sprouting as one of the stages towards full plant growth
![Fennel Seeds Fennel Seeds](/sites/default/files/styles/resource_card_image_360x300_/public/Fennel_seed.jpg?itok=k7Q96zAi)
Plants: Seeds
Picture Collections
6 images of some seeds which are the fertilized part of a plant used for germinating new plants such as fennel, kiwis and pumpkins
![Water Lily Water Lily](/sites/default/files/styles/resource_card_image_360x300_/public/waterlily.jpg?itok=nnvmuAjZ)
Flowers: Cup Shape
Picture Collections
8 images of some flowerheads such as roses and water lilies whose outer petals are longer than the petals in the centre of the flower
![Iris Iris](/sites/default/files/styles/resource_card_image_360x300_/public/blueiris.jpg?itok=dvud8S14)
Flowers: Irregular Shape
Picture Collections
3 images of some asymmetrical flowerheads such as an iris and an Orchis Sima or Monkey Orchid
![Sunflower Sunflower](/sites/default/files/styles/resource_card_image_360x300_/public/sunflowers.jpg?itok=pmiRVO51)
Flowers: Radial Shape
Picture Collections
7 images of some symmetrical flowerheads such as asters and sunflowers whose petals radiate from the centre of the flower
![Petunias Petunias](/sites/default/files/styles/resource_card_image_360x300_/public/petunias.jpg?itok=yMPRRNyK)
Flowers: Trumpet Shape
Picture Collections
5 images of some flowerheads such as petunias and lilies that start as a narrow base and widen to an open shape
![bees on frame held by beekeeper](/sites/default/files/styles/resource_card_image_360x300_/public/2019-11/Bees_at_work.jpg?itok=eCBFpn4d)
How are the World's Bee Populations Doing?
STEM Explained
Bees are important for agriculture. But bee populations face threats. This resource looks at Colony Collapse Disorder, herbicides & pesticides, and more.
![heavy metal band](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/Heavy_metal_band_0.jpg?itok=-Zc4rYXH)
A Taste of Heavy Metal
STEM Explained
Heavy metal is a term for some toxic chemical elements. They can cause problems like bioaccumulation, but are useful in nuclear medicine and medical imaging.
![Ryan Conder | Senior Scientist, STEMCELL Technologies Ryan Conder | Scientifique principal, STEMCELL Technologies](/sites/default/files/styles/career_image/public/6157_13.jpg?itok=bpdGbWZk)
Ryan Conder
Career Profiles
Senior Scientist
![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