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