Articles for Grade 2

The first phonetic alphabet — where each symbol stands for a certain sound — is credited to the Canaanites. They lived in the Eastern Mediterranean over 2000 years ago. Over the years, archaeologists have found some of these symbols on old pottery pieces. Now, they have discovered the oldest complete sentence written in this alphabet on an ancient lice comb....

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....

The Tyrannosaurus rex (T. rex) was one of the most ferocious dinosaurs that roamed Earth in the very late Cretaceous period — about 66 million years ago. Over the years, scientists have collected substantial information on the tiny-armed reptile itself. However, very little is known about how the vicious predator evolved. Now paleontologists at the Badlands Dinosaur Museum in North Dakota believe they may have found an essential missing link to the T. rex's lineage....

On November 23, 2022, the European Space Agency (ESA) announced its first new class of astronaut trainees in 13 years. The 17 candidates were selected from a pool of 22,500 applicants. They include five career astronauts, 11 reserve astronauts, and John McFall — the world's first astronaut with a disability....