Articles for Grade 3

Every spring, many fish species migrate from the Vecht, a branch of the Rhine River, to the shallow waters of the Kromme Rijn River to spawn and reproduce. However, their journey often stops at the Weerdsluis lock in Utrecht, Netherlands. The manually operated lock, designed to maintain the canal's water levels, rarely opens in the spring months. But now, thanks to an interactive "fish doorbell," the marine animals are able to reach their destination with little or no disruption....

Earth Hour 2024 will occur on March 23 from 8:30 pm to 9:30 pm local time. The event, held annually toward the end of March, encourages individuals, communities, and businesses worldwide to turn off non-essential electric lights for one hour. The voluntary rolling blackouts are also observed by landmark structures such as the Eiffel Tower and the Empire State Building. They remind us of the urgent need to protect our planet....

What if you could transform the plastic spoon you used at lunch into a cup for your water and then change it back to a spoon? That is precisely what researchers at the University of Chicago's Pritzker School of Molecular Engineering had in mind when they created "pluripotent plastic."...

The NCAA Division I men's and women's basketball championships, held annually in March, are among the most widely viewed collegiate sporting events in the United States. The popular tournaments turn even casual basketball watchers into die-hard fans of teams with whom they have no affiliation. Here is everything you need to know about "March Madness."...

India is home to numerous fun festivals. But few are as anticipated as Holi, the Festival of Colors. The Hindu holiday celebrates the start of spring and the victory of good over evil. The date of the event is determined by the lunar calendar and differs every year. In 2024, Holi will be observed on March 25....

A novel gene therapy is bringing hope to children born with a specific type of hereditary deafness. On January 25, 2024, researchers at China's Fudan University and Harvard Medical School (HMS) announced that the groundbreaking treatment had restored the hearing of five of the six test patients....

After being removed from the curriculum for over 14 years, cursive writing is making a comeback in some US public schools. For those unfamiliar with the term, it is the elegant form of penmanship where letters or characters are joined together in a flowing manner, generally to make writing faster....

A holiday honoring a math constant may not seem very exciting. But pi ("π") Day, observed annually in the US on March 14 (3/14), is an exception. The celebrations usually begin with activities centered around pi — the ratio of the circumference of a circle to its diameter — widely recognized as 3.14. However, they usually end with a slice or two of delicious pie....

Firefighters in Texas are battling a number of wildfires in the state's northernmost area called the Panhandle. The destructive blazes have scorched over a million acres, killed thousands of cattle, and charred crops. The fires have burned over 500 structures, melted lamp posts, and split power lines in half. Two residents have been killed, four firefighters injured, and thousands evacuated....