The Bigger Stem Cells Are, the Harder They Fall

SciShow is supported by Brilliant.org. Go to https://Brilliant.org/SciShow to get 20% off of an annual Premium subscription.

When it comes to our blood-producing stem cells, biologists have learned that bigger is not better. And a study has taken a look at the accomplishments and obstacles of an in-progress attempt to restore a large belt of degraded land stretching across Africa.

Hosted by: Hank Green

SciShow is on TikTok! Check us out at https://www.tiktok.com/@scishow
----------
Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow
----------
Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever:

Alisa Sherbow, Silas Emrys, Chris Peters, Adam Brainard, Dr. Melvin Sanicas, Melida Williams, Jeremy Mysliwiec, charles george, Tom Mosner, Christopher R Boucher, Alex Hackman, Piya Shedden, GrowingViolet, Nazara, Matt Curls, Ash, Eric Jensen, Jason A Saslow, Kevin Bealer, Sam Lutfi, James Knight, Christoph Schwanke, Bryan Cloer, Jeffrey Mckishen

----------
Looking for SciShow elsewhere on the internet?
SciShow Tangents Podcast: http://www.scishowtangents.org
Facebook: http://www.facebook.com/scishow
Twitter: http://www.twitter.com/scishow
Instagram: http://instagram.com/thescishow
----------
Sources:
https://www.eurekalert.org/news-releases/934466
https://www.science.org/doi/10.1126/sciadv.abk0271
https://www.youtube.com/watch?v=Oc537Jk3RxM
https://press.springernature.com/economic-efficiency-and-targeting-of-the-african-great-green-wal/19828818
https://www.nature.com/articles/s41893-021-00801-8

Images:
https://commons.wikimedia.org/wiki/File:Human_embryonic_stem_cell_colony_phase.jpg
https://www.istockphoto.com/vector/hematopoietic-stem-cell-gm499405345-42410804
https://www.istockphoto.com/photo/oxidative-dna-damage-genetic-disorder-molecular-structure-gm1196351211-341252389
https://commons.wikimedia.org/wiki/File:Sirolimus-from-1C9H-3D-sticks.png
https://www.istockphoto.com/vector/applications-and-tasks-of-transcriptome-sequencing-in-the-scientific-field-vector-gm1327503698-411847595
https://www.istockphoto.com/photo/cancer-cells-vis-gm1284442686-381578226
https://www.istockphoto.com/photo/blood-cells-red-abstract-background-medical-plasma-and-human-artery-hemoglobin-gm1317555433-404949728
https://commons.wikimedia.org/wiki/File:Map_of_the_Sahel.png
https://commons.wikimedia.org/wiki/File:View_over_Bani_-_Sahel_Region_-_Burkina_Faso.jpg
https://commons.wikimedia.org/wiki/File:Great_green_wall_map.svg
https://www.shutterstock.com/image-photo/aerial-panoramic-landscape-view-sahel-oasis-1188612772
https://www.shutterstock.com/image-photo/aerial-panoramic-landscape-view-sahel-oasis-1195150471
https://www.shutterstock.com/image-photo/two-african-men-inspecting-lettuce-crops-1338515699

Видео The Bigger Stem Cells Are, the Harder They Fall канала SciShow