Scientists have known for years that plants respond to sounds around them. For example, flowers make sweeter nectar to the sound of buzzing bees. But now scientists in Israel have shown that plants also seem to be doing some "talking".
Published in April 2023
Scientists exploring the ocean around the Galapagos Islands have discovered a healthy, active coral reef, deep below the surface of the sea. The reef is unusual because it is so healthy, and has not been damaged by humans.
A three-day ceasefire to the fighting in Sudan was announced on Monday. The fighting, led by Sudan's two top generals, broke out on April 15. It has left thousands of people injured and several hundred dead. Previous efforts at a ceasefire have failed.
Scientists at the University of Central Florida have created a new kind of paint that's super light and super tough. The colors in the new paint aren't at all like those in most paints. Instead, they're more like the colors on a butterfly's wings.
A massive raft of floating seaweed called sargassum is headed toward the coasts of Mexico and the southern United States. Sargassum rafts have been growing in size every year. When they land, they cause big problems.
On Saturday, Germany shut down the last of its nuclear power plants, ending a long disagreement over the future of nuclear energy in the country. The move is expected to have an impact on the environment, but could lead to a growth of renewable energy sources.
In early April, NASA announced the names of the four astronauts who will become the first people in over 50 years to go to the moon. NASA's Artemis II mission is set to take the astronauts on a trip around the Moon in late 2024 or early 2025.
Many people are familiar with Claude Monet's famous oil paintings of water lilies. Now the Chinese artist Ai Weiwei has reworked Monet's idea into a massive new artwork made from a surprising material: Lego bricks.
Over the last month, around 100 top secret US documents have been leaked online. The leaks are embarrassing for the US and its allies, and could affect Ukraine's ability to defend itself against Russian attacks. It's not clear who's behind the leaks.
On April 3, 1973, Martin Cooper made a cell phone call while walking down the sidewalks of New York. These days, that wouldn't be unusual. At the time, it was amazing. It was the first call ever made with a handheld cell phone.
On Tuesday, Ex-US President Donald Trump was charged in New York with the crime of creating false business records. Mr. Trump said he was not guilty of any of the charges. Mr. Trump is the first US president to ever be arrested for a crime.