Research Papers On Quicksand
It then sticks its arms into the sediment and pulls the rest of its body down into the quicksand.
Using two arms, it makes a breathing shaft up to the water, and uses its other arms to push the sediment away from its body, creating a cozy subsurface burrow complete with air shaft.
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Our studies demonstrate that unexpected difficulty not only causes people to get caught up in unimportant decisions but also to voluntarily seek more options, which can increase decision difficulty even further.
People generally associate important decisions with difficulty.
First, the sand octopus uses its siphon to blast the sand beneath it with high-pressure jets of water.
The blasts suspend the sand in water, so that the octopus is in essence making its own quicksand.
If the octopus has less energy to expend, it can simply enter the unoccupied burrow of some other marine organism.
If it encounters shells or rocks, the octopus will use its arms to dig mechanically.