A small, two-spotted octopus did something no invertebrate has been recorded doing before: it looked into a mirror, processed ...
Three California two-spot octopuses learned to use a mirror to find a live crab hidden behind them, choosing the correct side ...
Researchers found that octopuses can learn to use mirrors to locate hidden prey, making them the first known invertebrates ...
If you were to make a case for evidence of extraterrestrial life on Earth, you would probably use octopuses as an example.