[tonmoy]

Neither the researchers nor the media outlet said anything about pollution

[monocasa]

FTA

> It's neither a bird nor a plane, but a winged microchip as small as a grain of sand that can be carried by the wind as it monitors such things as pollution levels or the spread of airborne diseases.

[tonmoy]

I meant no one said anything about monitoring pollution

[monocasa]

> as it monitors such things as pollution levels