Most enzymes are proteins that act as biological catalysts in living organisms. They speed up chemical reactions necessary for digestion, metabolism, respiration, and many other cellular activities without being consumed themselves.

George McGovern, a United States senator, is credited with proposing the idea that later became the World Food Programme (WFP). Established in 1961 under the United Nations, the WFP works to fight global hunger and food insecurity.

A supernova occurs when a star explodes violently at the end of its life cycle. This massive explosion releases enormous energy and can briefly outshine entire galaxies while spreading heavy elements into space that later form planets and stars.

A standard compact disc (CD) usually stores about 700 MB of data or around 80 minutes of audio. CDs became widely popular in the 1990s for music storage, software distribution, and data backup.

Dengue fever is primarily transmitted by the Aedes aegypti mosquito. This mosquito breeds in stagnant water and is active during daytime, spreading viral diseases such as dengue, Zika, and chikungunya.