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Understanding algorithms — and how to make them work for you

Algorithms are incredible tools. When run by computers, they can fly airplanes without human pilots. They can figure out how much insulin a teen with Type I diabetes needs minute…

How ‘nutritious’ is the diet that social media feeds us?

You probably know that social media apps try to keep us online as long as possible. But do you know how they do this? They feed us what computer algorithms…

Fossil vomit shows what one 290-million-year-old predator dined on

Some 290 million years ago — before dinosaurs roamed the Earth — a predator gobbled up three other animals. Later, it barfed up their bones. Over the ages, that puke…

Experiment: Build your own beach!

Objective: Build a model beach and see how waves affect the shoreline of the beach. Areas of science: Ocean sciences Difficulty: Easy beginner Time required: Very short (≤ 1 day)…

Astronauts are flying to the moon aboard Artemis II

This is a developing story and will be updated periodically. For the first time in more than half a century, humans are flying to the moon. At 6:35 p.m. Eastern…

Supermassive black holes might trace back to huge, ancient stars

Khushi Karthikeyan, 18, has been fascinated by black holes since childhood. “Part of that fascination lies in the mystery,” Khushi says. “We don’t know so much about them.” One of…

Physics explains why sneakers squeak on the basketball court

The sounds of a basketball game don’t just include the smack of a bouncing ball, players’ shouts and the cheers of a crowd. They also feature lots of squeaking sneakers.…

How has weathering affected Earth?

Abstract Have you ever wondered why the Grand Canyon is so deep? Weathering of rocks creates features like this. Physical and chemical weathering affect the shape and composition of the…

Scientists Say: Discharge

Discharge (noun or verb, “DIS-charge”) Discharge is the release of something, matter or energy. The word can refer to the stuff being emitted. Or it can describe the action of…

Could a Star Wars lightsaber work?

In a galaxy far, far away, two lightsabers are buzzing with energy. In this face-off, a pair of enemies are swinging these weapons toward one another. As their blades clash, tiny sparks fly off.   Star Wars lightsabers are perhaps the coolest gadgets in…