There are ancient building projects we call "Megalithic Marvels" all over the world. One thing many have in common are the use of stones of monstrous size cut out of quarries quite a distance from the construction site and somehow transported, lifted, and placed so perfectly that even today they fit together almost seamlessly.

Chemical engineers at MIT have developed a new material that's stronger than steel and as light as plastic - and it might one day protect your smartphone, support new buildings, hold up bridges, and more. Polymerization 101: Under the right conditions, small molecules called "monomers" will connect to form chains called "polymers."