Florida Carpenter Ants Impress with Surgery Skills and Zimbabwean Grandmothers for Mental Health

This week's solution news: Arielle starts off the solutions round-up with a fascinating discovery about Florida carpenter ants: they are the first and only known case in the animal kingdom where one individual systematically amputates another's limb. Then, Karissa talks about the mental health solution that warmed her heart this week. It all starts with psychiatry professor Dixon Chibanda's idea to tap into the wisdom and comfort of grandmothers. Episode transcript: https://www.optimistdaily.com/?p=1418729 The Optimist Daily is a project of The World Business Academy. Donate link: https://www.optimistdaily.com/donate-to-support-the-optimist-daily/?gift=Y%20http://