The Bacteria That Make Perfect, Tiny Magnets
Learn how magnetic bacteria work, and how scientists think they can help technology in the future!
Hosted by: Michael Aranda
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Links to Other Episodes:
Why is There a Magnet Inside My Dog? https://www.youtube.com/watch?v=3rWEnypTEP4
Electromagnetism http://www.youtube.com/watch?v=GMnsZuEE_m8
Animal Navigation http://www.youtube.com/watch?v=EbHSkZySTBw
Blood Scrubbing Nanomagnets http://www.youtube.com/watch?v=0s57pRLaZCA
Sources: Overview of magnetotactic bacteria from Nature Education Knowledge http://www.nature.com/scitable/knowledge/library/bacteria-that-synthesize-nano-sized-compasses-to-15669190
Magnetite is the most strongly magnetic mineral in nature http://www.pnas.org/content/99/26/16556.full.pdf
Magnetotactic bacteria and magnetosomes review http://pubs.acs.org/doi/pdf/10.1021/cr078258w
Ecology, diversity and evolution of magnetotactic bacteria http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3811606/
How magnetotactic bacteria sense oxygen (not about their magnetism) http://www.ncbi.nlm.nih.gov/pubmed/25028894
What magnetotactic bacteria could be used to make http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4306944/
Magnetic bacteria create a biological hard drive https://www.newscientist.com/article/mg21428636-500-magnetic-bacteria-create-a-biological-hard-drive/
IMAGES:
Magnetic Bacteria
https://commons.wikimedia.org/wiki/File:Magnetite-usa30abg.jpg
Earth’s Magnetic Field
https://commons.wikimedia.org/wiki/File:Earth%27s_magnetic_field,_schematic.png
