Small household appliances with electric heating coils and brushed DC motors—such as hairdryers, toasters and air fryers—are significant sources of ultrafine particles (UFP) that may pose health risks ...

Is there an Outer SpaceX? With 3I/ATLAS set to fly by Earth in just over a week, experts continue to speculate over its origins. Harvard Scientist Avi Loeb believes that if aliens, the comet wouldn’t ...