Hey Ray: Hot and cold breath
Have you ever noticed that your breath can both warm and cool things down? There is a science behind that!
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Have you ever noticed that your breath can both warm and cool things down? There is a science behind that!
Mixing drinks is a time-honored tradition, but did you know that you can use milk to knock the color out of cola?
Lighting a candle seems normal, even easy, but there's a lot of science behind getting the flame lit and keeping it lit!
Have you ever been around a bonfire only to find that the smoke seems to follow you around? Well, there's science behind that!
While some call it pop, and others call it soda, this experiment will be more about popping than about what you call Coca-Cola!
Have you seen the Northern Lights? They're more than just pretty colors; when you see them in Pittsburgh, there's science behind it!
You often hear meteorologists talk about meteorological and astronomical seasons, but what is the difference?
One viewer asks, "Why do Atlantic storms have one name and Pacific storms have another?"
As summer winds down, we approach the peak of hurricane season, so how does the eye of the storm develop?
Certain kinds of cirrus clouds can precede an approaching front by a day or two.
If you've ever wondered how hurricanes get their names, it's actually a pretty rigorous process!
Salt has many uses in our modern world, but did you know that it's chilling effect can be used to make ice cream?
The peak of this year's Perseid Meteor Shower is August 12th and 13th.
You've heard the phrase "Dog Days of Summer," but you'd be surprised to learn it has nothing to do with our furry friends.
You might have heard the term St. Elmo's Fire from the movie, but it's also a meteorological phenomenon!
Did you ever notice your breath can heat and cool things? Meteorologist Ray Petelin shows us the science of how that works!
You certainly know the dark color of pop, but did you know you can use milk to take the color out of it? Ray Petelin shows you the science in a new Hey Ray!
Lighting a candle seems pretty normal, and pretty easy, but sometimes, the way it lights can be anything but normal. Ray Petelin breaks down the science in a new Hey Ray!
Have you ever been sitting around a campfire, get up and move, only to have the smoke you were trying to avoid follow you? Well, as Ray Petelin explains, there's a scientific reason for that!
Whether you call it pop or you call it soda, there's a way to make the can go pop without cracking the tab! Ray Petelin shows you how in a new Hey Ray!
Spots on the Sun's surface can tell us a lot about what is going on with the Solar Cycle. Ray Petelin explains why they're important to watch in a new Hey Ray!
You may have heard us talk about "meteorological seasons" that don't match up with the seasons you typically see on the calendar. While that may sound weird, there is a reason meteorologists use these different dates. Ray Petelin explains in a new Hey Ray!
One viewer wrote in to ask Ray Petelin, why do storms have different names around the world? Well, while it's true they do go by different names around the world, they're still the same kind of storms.
As summer winds down, we start to reach the peak of hurricane season, which leads to a lot of questions of how hurricanes form. Ray Petelin explains in a new Hey Ray.
Some kind of clouds can help predict the weather.
The nighttime freezing temperatures Pittsburgh is experiencing pose a unique risk to people experiencing homelessness.
A Pittsburgh attorney has filed a petition on behalf of the family of a Colombian man killed in a U.S. military strike on a boat in the Caribbean.
The Chartiers Valley School District faces a lawsuit over the alleged sexual assault of a student in 2018.
The PIAA football championship games are Thursday, Friday and Saturday at Cumberland Valley High School.
A 63-year-old Philadelphia man pleaded guilty in federal court Thursday for threatening to kill a Pennsylvania election official in 2024, officials said.
A Pittsburgh attorney has filed a petition on behalf of the family of a Colombian man killed in a U.S. military strike on a boat in the Caribbean.
Republican Rep. Brian Fitzpatrick said he was readying a plan that would extend the Affordable Care Act subsidies for two years.
President Trump, facing criticism that he's focused more on international issues than kitchen-table concerns, will rev up his domestic messaging, two GOP sources said.
Authorities say the FBI has arrested a man suspected of placing pipe bombs outside RNC and DNC headquarters on the eve of the Jan. 6, 2021, Capitol riot.
The Trump administration says it will withhold funds for administering SNAP food aid in most Democratic-controlled states starting next week unless they provide data about those receiving the assistance.
Federal funding will finally be available to thousands of families in Pennsylvania to help pay their heating bills.
Electric prices in Pennsylvania are going up next month.
Saturday's grand opening included live music, food, and a meet-and-greet with Lego Master Krist Kay.
Thursday will be the first time many people cook and host Thanksgiving dinner - here's how you can avoid illness and danger.
To much fanfare, the 51st Aldi opened in the Pittsburgh area on Thursday morning.
Pittsburgh Magazine's Sean Collier tells us about four things to see and do this weekend.
Heather and David are learning about a new eye care option in Cranberry Township, and how screens are adding to your eyes’ wear and tear.
Heather and David are joined by Pamela Mysels from Fine Wine & Good Spirits to learn how to make some seasonable sips!
Mikey is hanging out with Joey Thurby from Neighborhood Ford Store to learn what her car needs, now that winter is here.
Former Steelers quarterback and founder of the Best of the Batch Foundation Charlie Batch is in studio with Heather and David to talk about the PTL Toy Drive, specifically what happens to the gifts once the toy drive is over.
Veterans are outraged after learning about damage done to gravesites at a cemetery in Fayette County.
Artificial intelligence is watching where people park in Pittsburgh.
Drivers who were convicted of infractions years ago are being told to surrender their licenses or file costly appeals because Allegheny County never processed the paperwork.
For most students, the most dangerous part of their day is going to and from school.
Shopping malls are under threat from online shopping and disappearing customers, and many are facing the wrecking ball.
Western Pennsylvania counties are seeing vaccination rates fall among school-aged children.
The discussion happens every year: shoveling snow can lead to heart attacks, and one AHN cardiologist explains why it's a risk.
A little boy from Delaware County is getting his once-in-a-lifetime wish, just in time for the holidays.
Consumers with the imported pans should throw them away due to the severe health risks posed by lead, the agency warns.
With costs expected to go up for the Affordable Care Act, people are examining potentially more affordable options.
The PIAA football championship games are Thursday, Friday and Saturday at Cumberland Valley High School.
Western Pennsylvania has historically been a hotbed for producing talent that succeeds in the NFL.
The Pirates have traded pitcher Johan Oviedo to the Red Sox for outfielder Jhostynxon Garcia as part of a five-player deal.
Highsmith's charitable work in Pittsburgh and across the country made him the Steelers' nominee for the yearly award.
Greenwood was named among five finalists for the 2026 class of the Pro Football Hall of Fame.
Members of the Newspaper Guild of Pittsburgh voted last week to end their three-year-long walkout.
Norfolk Southern railroad worked with the state of Ohio and Youngstown State University to revive plans for a $20 million first responder training center near the site of the worst derailment in a decade in East Palestine, Ohio.
A report on the future of water in central Ohio warns that industrial demands for water will skyrocket at the same time experts expect farmers will need to regularly irrigate their fields.
The U.S. Department of Energy says it's loaning $1 billion to help finance the restart of the nuclear power plant on Pennsylvania's Three Mile Island.
A new Barnes & Noble is coming to Pittsburgh.
Vanessa Hudgens and former Pittsburgh Pirates player Cole Tucker welcomed their second child.
Christina Aguilera and Liev Schreiber were spotted at Wednesday's Pittsburgh Penguins game at PPG Paints Arena.
Jimmy Cliff, who famously sang about the "many rivers" we all must cross, has died after suffering a seizure and pneumonia, his family say.
Donald Glover, who performs under the moniker Childish Gambino, revealed he suffered a stroke last year, which forced him to cancel his tour.
Fans of Jeff Goldblum are seeing double.
The nighttime freezing temperatures Pittsburgh is experiencing pose a unique risk to people experiencing homelessness.
Stay on top of local weather with First Alert Meteorologist Ray Petelin's forecast!
We’re learning about contrast enhanced mammography with UPMC.
We’re reading your answers.
We’re talking with a Pittsburgh couple who has been to all 63!
Pitt's regular season has ended with an 8-4 record.
Pitt's five-game winning streak came to an end with a 37-15 loss to Notre Dame.
Mason Heintschel set a new Pitt freshman single-game passing record in the Pitt win at Acrisure Stadium.
The 44th annual KDKA-TV Turkey Fund will help our neighbors in need have a nice meal for Thanksgiving.
West Virginia scored a late touchdown to tie the game and then beat Pitt in overtime to win the 108th Backyard Brawl.
