NPR conducted an online poll asking listeners if they could hear the difference between cold and hot water simply by listening to the sound of the water being poured. Most listeners were spot-on.
A new study argues emperor penguins should be classified as an endangered species because of shrinking ice. NPR's Linda Wertheimer speaks with scientist Hal Caswell, who co-authored the study.
Richard Feynman, one of the greatest science teachers ever, asks a wave to tell him a story.
A new study found that 96 percent of people can hear the difference between hot and cold liquids being poured. Are you among them? Test your skills by listening to these audio clips.