NASA Finds Hidden Amazon Fires; Amazon Alexa Always Listening

• NASA researchers uncover dozens of previously undetected fires in the Amazon rainforest.
• El Niño is fueling widespread wildfires across the tropics, with the Amazon experiencing significant burning.
• Amazon Alexa devices have microphones that are always listening, with data usage controlled by the user.
• The extent of the Amazon fires may be more severe than previously recorded, according to NASA.
• The worst of the Amazon wildfires may still be ahead, according to scientists.