Matter

Scientists from the Czech Republic, Israel and Germany have shown in their study that unlike ordinary water, heavy water tastes sweet to humans but not to mice.

Titanium dioxide (TiO2) as a semiconductor in photocatalysis process can be used to clean exhaust gas from sulfur compounds (mainly SO2).

Liquid crystals were discovered more than a century ago and continue to be of great interest to physicists, chemists and electronics engineers around the world.