127K views · 1K shares | An octopus grabs hold of a shark and won’t let go. | National Geographic Animals | Facebook

4.2K shares · 430 comments | At this Maryland farm, rescued animals are treated to a Thanksgiving feast of their own. Take a look. | National Geographic | Facebook

1.2K views · 28 reactions | When uniaxial testing is performed on elastoplastic materials, a type of deformation known as necking (shown here) can occur. You can accurately study this phenomenon using COMSOL Multiphysics. Take a look at a benchmark example, as well as the theory behind necking instability, on the blog: https://buff.ly/2UGRHuh | COMSOL Multiphysics | Facebook

24K views · 1.2K reactions | Two giraffes necking at old Donyo, and then a third one joins! Necking determines dominance, who wins this battle? Great Plains Conservation #wildanimals #wildlife #safari #giraffe | Africam | Facebook

When giraffes fight, slamming their heads and necks against each other, the impact can be heard from a hundred meters away. | National Geographic