Articles for Grade 3

An international team of scientists has created a robot that seamlessly goes from a solid to a liquid state and back again. The feat may sound magical. But it is rooted in science....

Every February, the United States recognizes Black leaders throughout history and today. This year, Black History Month celebrates "Black Resistance." Here are three extraordinary young women who have fought to make a difference in their communities....

Despite technological advances, modern concrete structures start to crumble in just 50 years if not maintained. This contrasts sharply with Italian monuments that remain standing after over 2,000 years. Now, an international research team has finally uncovered how Roman concrete wonders continue to survive to this day....

Researchers at the Massachusetts Institute of Technology (MIT) recently unveiled a paper-thin solar cell that could turn any surface into a power source. The device is thinner than a single strand of human hair. It weighs about 100 times less than standard solar cells....