U.S. Mints the Last Ever Penny Ending 230+ Years of Circulation
While pennies will no longer be in circulation, they will remain legal tender.
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With promising results on naval ships, researchers believe it can be applied to various settings including warehouses and plants.


Nuclear waste remains a major environmental hazard due to its long-lasting radioactivity.


Microscopic wireless electronic devices travel through blood and implant in target brain regions.