hydrogen bonding

We usually know there are three states of matter, solid, liquid and gaseous, with the atoms in the solid denser than the liquid and the atoms in the liquid thicker than the gas.

According to the British New Scientist magazine, sometimes the freezing speed of hot water is much faster than that of cold water. This bizarre phenomenon has hurt the scientific

The engineering team from the University of Maryland (USA) has recently found a paper that is made of durable and self-healing cellulose fibers.