The existence of dark matter has not yet been fully proven.

Antibiotics don't work for colds, so please don't take them unnecessarily.

It is said that antimatter has properties opposite to those of matter.

This food may contain carcinogens.

The air in this area is greatly affected by pollutants emitted from factories.

We exist as a part of the material world.

He contracted brucellosis after returning from a trip abroad.

The use of thermonuclear weapons could potentially cause a major disaster for all of humanity.

Zika fever is an infectious disease transmitted by mosquitoes.

This material has the ability to absorb the heat of the sun.