Today's story: Though most Christmas trees are plastic, millions of families like to get live Christmas trees every year. Real trees are grown at special Christmas tree farms and they take many years (and twice-a-year trimming) to mature into the picture-perfect trees you see in ...عرض المزيد
Tracking monarch butterflies as they migrate
Today's story: Scientists used to rely on stickers to track monarch butterfly migration—but that only showed where a butterfly started and ended. Now, a solar-powered device called the BluMorpho is helping researchers track each step of the journey, offering new insight into one ...عرض المزيد
The world’s biggest butterfly migration
Today's story: Monarch butterflies migrate thousands of kilometers from across the U.S. and Canada to just a few mountain forests in central Mexico. They rely on the sun, the Earth’s magnetic field, and a unique multi-generational life cycle to complete the journey. But their num ...عرض المزيد
America has minted its last penny
Today's story: The United States Mint struck its final penny in November 2025, ending a 232-year run of producing the one-cent coin. The decision followed years of debate over the coin’s value, as production costs exceeded its worth and demand declined. Pennies will remain legal ...عرض المزيد
The zipper is getting an upgrade
Today's story: Zippers are everywhere: on clothes, bags, and accessories. But the basic design of a zipper hasn't changed in a century. Now, though, the world's biggest zipper maker, YKK, has a new design that eliminates the tape next to the zipper's teeth. The result is a zipper ...عرض المزيد