Hey Ray! 'Supercooled' Water And How It Can Freeze Right Before Your EyesIf you ever left a bottle of water in a car or outside when temperatures were below freezing, you may have seen it turn from a liquid to ice almost instantly.
Hey Ray! How To Determine How Far Away A Thunderstorm Is From YouCan you really tell how far away a thunderstorm is by counting the seconds between the flash of lightning and the boom of thunder?
Hey Ray! How Pressure, Wind, And Moisture Help Create HailNow that it is officially spring, we are getting into the time of year that features thunderstorms.
Hey Ray! Powerful Pressure And Its ImportanceAtmospheric pressure is a major part of meteorology, and it is always around us.
Hey Ray! The Size Of The Moon And Optical IllusionsHave you ever looked at the moon, as it was rising above the horizon and thought "WOW! The moon looks HUGE", only to have it appear to shrink as it continued to rise into the night sky?
Rats Love To Play Hide And Seek, Scientists FindRats can be taught to play hide and seek -- and they squeal with joy when they win, scientists have found.
Kidsburgh: High School Students Helping Researchers Find Cure For CancerUPMC Hillman Cancer Center is renowned for the treatment it provides.
Kidsburgh: Carnegie Science Center's Summer Of SpaceKidsburgh's new guide shows how the Carnegie Science Center has a whole "Summer of Space."
KDKA Ray Petelin's Peeps ExperimentSo, why does a Peep expand when you suck the air out of a jar?
Hey Ray! Try This Experiment -- Levitating SpringSince it's officially spring now, what better way to celebrate than with a cool experiment to try.
Hey Ray! How You Can Create A Cloud In A BottleKDKA Meteorologist Ray Petelin shows you how to create a cloud in a bottle.