Live data from Hacker News

Ants: Who looks after the injured in a colony?

uni-wuerzburg.de

1–10 of 61 posts

Re: Ants: Who looks after the injured in a colony?

#4
> The ants carry out prophylactic amputations. This not only protects the colony from infection but also doubles the survival rate of the injured workers.

To keep everybody around you healthy makes the probability of caching a disease lower for yourself, too.

Grooming behaviour in primates helps in the same way. And it is so important that it is linked to all kinds of mental rewards.

To let disease run amok in your own neighborhood it would be very costly.

Re: Ants: Who looks after the injured in a colony?

#6
post #4

> The ants carry out prophylactic amputations. This not only protects the colony from infection but also doubles the survival rate of the injured workers. To keep everybody around you healthy makes the probability of caching a disease lower for yourself, too. Grooming behaviour in primates helps in the same way. And it is so important that it is linked to all kinds of mental rewards. To let disease run amok in your o…

They can look altruistic at the individual level while still being completely aligned with self-preservation at the group level

Re: Ants: Who looks after the injured in a colony?

#7
post #4

> The ants carry out prophylactic amputations. This not only protects the colony from infection but also doubles the survival rate of the injured workers. To keep everybody around you healthy makes the probability of caching a disease lower for yourself, too. Grooming behaviour in primates helps in the same way. And it is so important that it is linked to all kinds of mental rewards. To let disease run amok in your o…

[dead]

Re: Ants: Who looks after the injured in a colony?

#9
Fascinating. Hidden on the bottom of the article seems to be a video [1] showcasing how they track each ant out of the six colonies of 110 each.

I'd like to read the paper to skim over the methodology but it's not open-access :(

[1] https://www.uni-wuerzburg.de/fileadmin/uniwue/2026/0702Ameis...

Post reply on HN