3 results found for biology

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00:07:00

Hydrogen fermentation with iron powders

by Yuto Yonebayashi | Highschool presentations | 14-19 and upwards | 8 years ago | 1529 views More details Watch now
00:10:00

Producing Biogas and Identifying Bacteria

by Yuji Sunaoshi | Highschool presentations | 14-19 and upwards | 11 years ago | 10196 views More details Watch now
00:16:00

Everything we touch is dirty!

by Ana Lorena Morales Garcia | Lectures | 14-19 and upwards | 13 years ago | 1712 views More details Watch now