Switching Off Immune Attacks, Clouds Saving the Great Barrier Reef

Scientists find a 'switch' that stops the immune system from attacking healthy cells. Researchers are tinkering with clouds to save the Great Barrier Reef. Plus, the psychology behind our most disgusting memories and a potential breakthrough in cutting HIV out of cells.

Sources:
https://www.sciencealert.com/scientists-find-switch-that-stops-immune-system-attacking-healthy-cells
https://www.wired.com/story/coral-reef-cloud-brightnening-australia/
https://www.newsweek.com/psychology-memories-disgusting-senses-1880906
https://www.bbc.com/news/health-68609297

Outline:
(00:00:00) Introduction
(00:00:41) Scientists Find 'Switch' That Stops Immune System Attacking Healthy Cells
(00:03:09) Scientists Are Tinkering With Clouds to Save the Great Barrier Reef
(00:07:36) Scientists reveal psychology behind our most disgusting memories
(00:10:17) Scientists say they can cut HIV out of cells