Why tiny ants have invaded your house, and what to do about it
- Written by Tanya Latty, Associate professor, University of Sydney

It’s nigh on impossible to calculate with accuracy how many ants are on Earth, but estimates put the number at about ten billion billion. And sometimes, it can feel like a good proportion of those ants are marching through our homes.
Ants usually come indoors in search of food or nesting habitat. Even small amounts of food, like...