<p>A Newsday investigation revealed that Grumman Aerospace knew toxic chemicals were leaking into the ground in Bethpage. Newsday Associate Editor&nbsp;Paul LaRocco&nbsp;and Deputy Editor&nbsp;David Schwartz explain.&nbsp;</p>


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Republican Bruce Blakeman took the oath of office to begin his second term as county executive on Monday night. NewsdayTV's Ken Buffa reports.

Blakeman sworn in as Nassau County executive 

Newsday's food team tasted and ranked sheet cakes from eight supermarkets on Long Island.

The great grocery store sheet cake taste test 

Doug DeFeo, a volunteer with the New York Marine Rescue Center in Riverhead, says it's important to him to give back to the environment as well as the individual lives of people.

Volunteers of Long Island: New York Marine Rescue Center

How fast can Ken eat? NewsdayTV's Ken Buffa learns from, and challenges, compettive eater Eric "Badlands" Booker in this week's "LI works."

'You must evolve, things change, time change...now 20 hot dogs is just the beginning'

NewsdayTV's Ken Buffa learns what it takes to troubleshoot a pinball machine in this week's edition of LI Works.

LI Works: A wizard at fixing pinball machines

Newsday's third annual Cheer Fest was held at Hofstra University on Sunday. Participants spoke about the thrill of competing and watching teams from other divisions. Newsday's Jared Valluzzi has more.

Energy, pride and school spirit: Newsday's 3rd annual Cheer Fest

NewsdayTV's Doug Geed takes us to the South Fork, where, after generations of farming the land, the Ludlow family pivoted to making cheese from the milk of their cows.

Out East: Mecox Bay Dairy in Bridgehampton

New York became the first state to require health insurers to cover scalp cooling treatments, which help to reduce hair loss during chemotherapy. NewsdayTV's Virginia Huie reports.

Health insurers must cover scalp cooling treatments

NewsdayTV's Elisa DiStefano joins Newsday food writer Marie Elena Martinez at Hometown Bakeshop in Centerport to try customizable bacon, egg and cheese sandwiches.

Bacon, egg and cheese with a twist at this LI bakery

Commuters are expressing frustration over a new MTA policy that imposes an $8 surcharge for activating mobile tickets after boarding. Newsday's Alfonso Castillo reports.

Last-minute ticket surcharge irks LIRR riders

<a href="https://www.newsday.com/video/newsdaytv-top-stories">Get more on these and other NewsdayTV stories</a>

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Hochul's State of the State ... Disappearing hardware stores ... LI Volunteers: Marine rescue center ... Get the latest news and more great videos at NewsdayTV

Hochul's State of the State ... Disappearing hardware stores ... LI Volunteers: Marine rescue center

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