Delhi's pollution makes air purifiers essential. Improper cleaning reduces their effectiveness. Avoid harsh chemicals and ...

Delhi's air quality became a talking point after an air purifier filter turned jet-black, leaving social media users shocked and divided over whom to blame.

Our basement bedroom has a huge desktop computer that we never use except to dust. Why are we keeping it? A recent CNET survey found that nearly a third of us are hoarding old electronics, because ...