https://www.khanacademy.org/science/grade-6-science-cambridge-curriculum/xdb2c1c997608bdb6:microorganisms/xdb2c1c997608bdb6:microorganisms-friend-or-foe/v/diseases-caused-by-microorganisms-microorganisms 2026-04-15T09:00:48.368849752Z Diseases caused by microorganisms - Microorganisms Diseases caused by microorganisms Khan Academy Pakistan video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Diseases caused by microorganisms - Microorganisms Diseases caused by microorganisms https://cdn.kastatic.org/ka-youtube-converted/TLPJFohYstc.mp4/TLPJFohYstc.mp4 431 Microorganisms: friend or foe https://www.khanacademy.org/science/grade-6-science-cambridge-curriculum/xdb2c1c997608bdb6:microorganisms/xdb2c1c997608bdb6:microorganisms-friend-or-foe/v/friend-or-foe-harmful-and-useful-microbes 2026-04-15T09:00:48.368849752Z Friend or Foe? Harmful and useful microbes Friend or Foe Khan Academy Pakistan video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Friend or Foe? Harmful and useful microbes Friend or Foe https://cdn.kastatic.org/ka-youtube-converted/r5PvaxnBmyI.mp4/r5PvaxnBmyI.mp4 372 Microorganisms: friend or foe https://www.khanacademy.org/science/grade-6-science-cambridge-curriculum/xdb2c1c997608bdb6:microorganisms/xdb2c1c997608bdb6:microorganisms-friend-or-foe/v/yeast-useful-and-harmful-microbes 2026-04-15T09:00:48.368849752Z Yeast - Useful and Harmful Microbes Yeast Khan Academy Pakistan video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Yeast - Useful and Harmful Microbes Yeast https://cdn.kastatic.org/ka-youtube-converted/QZSn2hxJPdc.mp4/QZSn2hxJPdc.mp4 287 Microorganisms: friend or foe https://www.khanacademy.org/science/ap-college-environmental-science/x0b0e430a38ebd23f:aquatic-and-terrestrial-pollution/x0b0e430a38ebd23f:pathogens/v/pathogens-and-the-environment 2022-09-07T01:03:50.067296221Z Pathogens and the environment Pathogens, such as the pathogen that causes malaria, adapt to take advantage of new opportunities to infect and spread through human populations. As equatorial-type climate zones spread north and south into what are currently subtropical and temperate climate zones, pathogens, infectious diseases, and any associated vectors are spreading into these areas where the disease has not previously been know to occur. Sal Khan video https://cdn.kastatic.org/ka_thumbnails_cache/6a05da7e-56bf-4652-9012-07636c07e5f0_1280_720_base.png Pathogens and the environment Pathogens, such as the pathogen that causes malaria, adapt to take advantage of new opportunities to infect and spread through human populations. As equatorial-type climate zones spread north and south into what are currently subtropical and temperate climate zones, pathogens, infectious diseases, and any associated vectors are spreading into these areas where the disease has not previously been know to occur. https://cdn.kastatic.org/ka-youtube-converted/wyd0ozxbWkk.mp4/wyd0ozxbWkk.mp4 277 Microorganisms: friend or foe https://www.khanacademy.org/science/grade-6-science-cambridge-curriculum/xdb2c1c997608bdb6:microorganisms/xdb2c1c997608bdb6:microorganisms-friend-or-foe/v/harmful-microbes-harmful-and-useful-microbes 2026-04-15T09:00:48.368849752Z Harmful Microbes - Harmful and useful microbes Harmful Microbes Khan Academy Pakistan video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Harmful Microbes - Harmful and useful microbes Harmful Microbes https://cdn.kastatic.org/ka-youtube-converted/pF-8bO9818Y.mp4/pF-8bO9818Y.mp4 402 Microorganisms: friend or foe https://www.khanacademy.org/science/bmc-grade-9-science/x345505a97fc4a662:useful-and-harmful-microorganisms/x345505a97fc4a662:harmful-microbes/e/harmful-microbes 2026-04-07T23:55:07.30621384Z Harmful microbes This exercise explores how microorganisms like fungi and Clostridium bacteria affect our daily lives—from spoiling food and damaging leather to causing food poisoning at feasts. Bitasta Datta exercise https://www.khanacademy.org/science/ncert-class-8-science/x55541eeaec8b3a9a:microorganisms-friend-and-foe/x55541eeaec8b3a9a:how-are-we-connected-to-microbes/e/how-are-we-connected-to-microbes 2026-04-06T02:41:58.374508961Z How are we connected to Microbes? This exercise explores the amazing ways microbes are woven into our lives—from keeping our environment clean to providing us with food, fuel, and even oxygen! Bitasta Datta exercise