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When archaeologists recover fossils from the Earth, there is frequently a conundrum regarding making sense of what the bones actually mean. It is very rare to find an intact piece of bone, much less a whole skeleton. Which bone is it? Where does it go? And of course, what kind of life did this animal live? Was it a mammal or a lizard, was it a meat or plant eater, and how did it live exactly? These questions can frequently be answered from the teeth.

You are what you eat; a clever maxim that has stood the test of time. While some foods may be healthy in the sense that they have tons of vitamin, minerals and micronutrients that our bodies need to function properly, that same food may be taxing on your body, as digesting it may involve using lots of water, magnesium and calcium.

The weirdest things have been used to create new materials, and frequently researchers turn to nature when the time comes to invent something new. This time around, the feelers on squid tentacles were the subject of human thought, and some rather interesting potentials have been unlocked.