Business

TikTok updates rules; CEO on charm offensive for US hearing

TikTok went on a counteroffensive Tuesday amid increasing Western pressure over cybersecurity and misinformation concerns, rolling out updated rules and standards for content as its CEO warned against a possible U.S. ban ...

Electronics & Semiconductors

A new wearable technology—for plants

Plants can't speak up when they are thirsty. And visual signs, such as shriveling or browning leaves, don't start until most of their water is gone. To detect water loss earlier, researchers reporting in ACS Applied Materials ...