March 15, 2025 - By Emily Becker - La Niña conditions persisted through February, but forecasters expect ENSO-neutral conditions to develop in the next month and persist through the Northern ...

Perplexity AI is an AI-driven search engine and chatbot that uses large language models (LLMs) to answer user queries by drawing information from the web and providing cited sources within its ...

Delhi's air pollution is more severe than estimated due to the undercounting of PM1 pollutants by up to 20%, exacerbated by ...