"The patches don't appear to be releasing the medication like they should," one user says.

One in 40,000 snails have the spiral on the left side of the shell, and they can only mate with other lefties. Can you help Ned find true love?

After the detection of the myrtle rust pathogen, Austropuccinia psidii, in New Zealand, a biosecurity response was initiated, including a wide-spread surveillance programme. Through an intensive publi...