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Brian Williams

Teen finds cheaper way to make drugs against killer viruses

Columbus, Ohio — Viruses can be scary, and COVID-19 reminded us why. “We can prevent viral diseases quite well by vaccination,” says Adam Kovalčík, 19. But once someone is infected,…

Is the International Space Station too clean?

Keeping the International Space Station clean is a high priority for NASA. Air filters, weekly wipe-downs and vacuuming are a must. Still, astronauts there often develop health problems. These include…

Teen’s software for spotting AI-generated text just got personal

Columbus, Ohio — Is this text AI-generated? That question crops up a lot these days. Computer software to flag AI-generated text exists. But most programs share one crucial weakness, says…

AI, make me a video game

Have you ever imagined a video game you’d love to make? If you have an idea for a story or a picture, you can easily grab a pencil and start…

Micro-sparks between water droplets may have started life on Earth

In the beginning, Earth was a hot and lonely planet. It also lacked water. Then, after hundreds of millions of years, the planet cooled, oceans formed — and life emerged.…

Mars’ rust suggests it was once wet — and its seas frigid

A beach day on early Mars would not have been a pleasant getaway. A new look at the Red Planet has turned up a possible ancient coastline in its northern…

Let’s learn about plant movement

We may not often see it, but all plants are on the move. Plants move in slow motion as they grow. Their roots sense gravity to stretch down into soil.…

Some iguanas may have rafted across the Pacific 30 million years ago

Scaly sailors appear to have made a record-setting ocean voyage. Tens of millions of years ago, iguanas in North America crossed the Pacific Ocean. Clinging to plants washed out the…

Scientists Say: Lepton

Lepton (noun, “LEP-tawn”) A lepton is a type of elementary particle. An elementary particle is one that scientists believe is not made of anything smaller. Besides leptons, these include quarks…

How can we predict extreme winter weather?

Abstract Some winter days are so cold and snowy that you feel like you are living at the North Pole. But what causes the weather to be so cold? Freezing…