Did you know that materials science is the study of the properties and applications of materials? One interesting fact is that glass is actually a liquid, but it's an amorphous solid that flows at a very slow rate. Another fascinating tidbit is that the strongest material in the world is graphene, a single layer of graphite that is 200 times stronger than steel. Scientists have created a material known as aerogel, which is one of the lightest substances on Earth. It is composed of 99.8% air but is strong enough to support a brick. Titanium is an incredible material used in aerospace engineering because it is both lightweight and strong. Another remarkable material is shape-memory alloys, which have the ability to remember their original shape after being deformed. Materials science has come a long way, with researchers continuously developing new materials with unique properties. One such material is self-healing concrete, which can repair cracks on its own using embedded bacteria. The field of materials science is constantly evolving, leading to innovative developments that shape our modern world. How many of these fascinating material science facts did you already know?