Perfect WhatsApp voice note length revealed
New research uncovers the ideal voice message duration that keeps listeners engaged, and reveals why 4 in 5 Brits abandon lengthy audio notes.
Category : Search result: BMJ study
Wood burning and traffic key to Europe's air quality crisis
Groundbreaking research identifies targeting wood burning and road traffic as the most effective strategy for dramatically improving air quality across European cities, with significant health benefits within reach.
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