MSN: Wait, why the heck are people leaving coffee grounds on their porch?

People scatter coffee grounds on porches to deter pests, but science doesn’t strongly back this up. Experts say the caffeine and scent levels in used grounds are too weak to deter bugs effectively.

Wait, why the heck are people leaving coffee grounds on their porch?

Yahoo: Should You Put Coffee Grounds Down the Sink? What to Know First

A plumbing expert explains why pouring coffee grounds down the drain is a bad idea—and what you should do instead.

Should You Put Coffee Grounds Down the Sink? What to Know First

Yahoo: Can You Put Coffee Grounds Down The Drain? Here's What Plumbers Want You To Know

Add Yahoo as a preferred source to see more of our stories on Google. Getty Images You've brewed your cup of joe. Then, when you're cleaning up the kitchen, you pour the coffee grounds down the drain.

Can You Put Coffee Grounds Down The Drain? Here's What Plumbers Want You To Know

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