Asian needle ants are an invasive species that are continuing to spread throughout the U.S., and these ants can now be found in over a dozen states. The venomous ants, which are native to China, Japan ...

Common air pollutants like ozone and nitric oxide can change the way ants smell, prompting their nest-mates to attack them as if they were intruders. Ants recognise their comrades by scent, and when ...