- Orcas have been ramming, damaging, and sometimes sinking boats in the Strait of Gibraltar.
- From fog horns to bottles of urine, sailors are trying some wild ways to save their yachts.
- Some techniques are more successful than others.
Late last month, orcas sank another yacht. The "Grazie Mamma II" was sailing off the coast of Spain and Morocco when a pod of orcas zoomed up and started attacking its steering fin for 45 minutes, Insider reported.