hand for MIT's Baxter Robot that uses liquid to move the fingers.

Deep under your feet lie countless rivers, lakes, and seas of liquid methane.

Remember those seas of liquid methane?

Now, in order to wash off this acid, our lacrimal glands produce a disinfecting liquid.

But when our eyes cannot hold any extra amount of disinfecting liquid.

This gas reacts with the lubricating liquid in our eyes and produces sulfuric acid, which makes us cry.

During sublimation, a solid on heating, converts directly into vapor without passing through the intermediate liquid state.

This direct transfer of heat is the basic idea behind the radiators in car engines, liquid cooling of fancy gaming computers, and water cooling of power plants.

heat is the basic idea behind the radiators in car  engines, liquid cooling of fancy gaming computers,  

colorless liquid with a pungent odor. While chloroform

another lab chemical is described as a clear colorless volatile liquid

Too much liquid in general can be dangerous as well.

Liquid bromine equilibrates to form gaseous bromine at room temperature.

As liquid bromine evaporates, gaseous bromine condenses.

That medium can either be a solid, liquid or gas.