If you've ever seen elephant seals lying on a beach, you might think all they do is sleep. But now scientists have discovered that when elephant seals are in the ocean, they hardly sleep at all. On average, the seals sleep just two hours a day.
Published in “North America”
The US Environmental Protection Agency has suggested new rules for limiting the amount of pollution that power plants running on coal and gas can release. The new rules would almost completely end carbon dioxide emissions from these power plants by 2035.
Scientists have created a new tool that can turn people's thoughts into words. It works by using an Artificial Intelligence program to translate brain activity into words. The scientists say the program could help people who can't speak because of a brain injury.
Last Tuesday, writers of movies and TV shows in the United States went on strike for a better working agreement. Many of the writers' concerns are caused by the growth of streaming services like Netflix and Amazon. The strike could affect many TV shows and movies.
On Friday, the World Health Organization announced that the coronavirus pandemic is not a global emergency anymore. The disease is now spreading much more slowly than before. The WHO says Covid-19 is still a problem, but the hardest part of the pandemic is over.
Mathematicians are excited about a new discovery: a 13-sided shape called "the hat". Lots of copies of the shape can be used to cover a flat surface without ever overlapping or leaving any gaps. Importantly, the patterns made with the hat never repeat.
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.
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.
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.