447K views · 4.2K reactions | As the common reef #octopus (Octopus cyanea) moves across the coral reef, it uses chromatophores to change its coloring and appearance to match the substrate beneath. These color changes are sometimes created to mimic a dark shadow passing across the surface — in hopes that a crab may let its guard down and become a snack.  #ocean #science | Science Channel | Facebook

36K views | Josh joined the Marines after the 9/11 attack happened. He was only 19. Now as a veteran, he uses his guitar as an outlet to protest about the ways soldiers get neglected after the war. | Only Human | Facebook

24K views · 369 reactions | Channel your inner Martha this Halloween and make your sweet treats as hauntingly over-the-top as the rest of your seasonal décor. Martha uses a simple royal icing to decorate these cookies, dying the frosting a rich orange color to mimic the appearance of a pumpkin. Try our 27 best Halloween cookies that are scarily delicious: bit.ly/3S1qse7 | Martha Stewart | Facebook