Helgi Hjorleifsson, a firefighter, is a leader in a national experiment to steer rivers of lava away from important sites.
RealLifeDIY on MSN
Why your attic is the most expensive room in your house — and nobody talks about it
The room you never visit might be draining your wallet every single month.
RealLifeDIY on MSN
Reasons builders put plumbing on exterior walls — and why it backfires
It saves builders money upfront — but homeowners pay for it later.
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