This story is about how ants have been found to communicate by transferring information via liquid between their mouths. I was aware of ants communicating by pheromones, touch and sound, but I haven't come across this before. http://www.wired.co.uk/article/ants-throwing-up-hormones-development
This is an interesting story where Fijian ants have been found to grow their own crops. Ants are known to cultivate fungi, but only a very few are known to grow their own crops. https://www.newscientist.com/article/2113410-fijian-ants-grow-their-own-plant-cities-and-farm-tropical-fruits/
I'm always finding lots of interesting TED talks on their website. Today I came across one that specifically talks about ants and how they provide an insight into different topics including disease, technology and the human brain. Here is a link to the original TED page.
This is a great story showing how ants come up with strategies to overcome different barriers. The research shows ants carrying bits of tuna back to the nest whilst trying to navigate around barriers created with Lego blocks. http://www.nytimes.com/2016/11/15/science/longhorn-crazy-ants.html?_r=0