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NOC, seen here in an image from an archival video, was recorded in the 1980s making vocalizations that imitated human speech. The findings weren't published until this week. Current Biology Whales are among the great communicators of the animal world. They produce all sorts of sounds: squeaks, whistles and even epic arias worthy of an opera house.
Baby Beluga, Swim So Wild And Sing For Me
Science - The Children's University of Manchester
Filament Bill takes apart a light bulb to show how engineers make its filament. lightbulb Smoke Detector Bill takes apart a smoke detector showing how it uses radioactivity to monitor for smoke. smoke

