Harvard Medical School
6 HN recommenders · recommended in 14 months, 2016–2026
1:55 · 3M views · Sep 9, 2016
A two-minute time-lapse from the Kishony Lab showing bacteria spreading across a giant petri dish with increasing antibiotic doses, evolving resistance as they go.
HN links it as a visually striking demonstration of evolution and antibiotic resistance happening in days.
16 comments from Hacker News
> Why do you think the strongest of the strong bacteria are found in hospitals? I presume you mean strong against antibiotics and sterilisation. The evolved bacteria are likely weaker along other dimensions (that are less important for survival in a hospital setting). Some evolution is compromises, improving X has cost Y. Aside: the mega-plate video is an unbelievably good demonstration of bacterial evolution: this video especially note the tree at the end showing how many different mutations evolved.
This is an amazing video[1] from Harvard Medical School released couple of days ago showing evolution of bacteria that evolve in 10 days to become resistant to antibiotics. [1] this video
Strengthens your immune system. Without exposure (playing in mud, touching other people), we are only weaker. Bio life is really complicated. Sterilization works well only to a certain degree, before becoming damaging, e.g. causing resistance. Somewhat related, here is an interesting visualization of bacteria developing resistance to antibiotics. this video
Harvard medical school did a similar experiment on fast evolution of bacterial resistance to antibiotics on a petri-dish. It also clearly shows the lineage of evolution. Very interesting. this video
The video shows mutations in real time as bacteria grow or fail to grow in various places. this video It's more a demonstration than experiment, but visually it's just really striking.