When Australia passed a world-first social media ban for teens, there was a display of national pride from the prime minister, and even the Sydney Harbour Bridge was lit up in the country’s national ...

Gerry Baker is Editor at Large of The Wall Street Journal. He writes a weekly column for the editorial page of The Journal each Tuesday on politics, economics and culture. Mr. Baker also writes a ...

Gene expression is the generation of a functional gene product from the information encoded by a gene, through the processes of transcription and translation. Gene products are often proteins, however ...

Expression systems are genetic constructs (a gene encoded by DNA) that are designed to produce a protein, or an RNA (ribonucleic acid), either inside or outside a cell. Expression systems are used in ...