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After the dino-killer asteroid, life bounced back quickly

After the asteroid impact that wiped out the dinosaurs, life seems to have bounced back with surprising speed. The first wave of marine species emerged within a few thousand years…

Human-built ‘beaver’ dams help save struggling streams

One warm morning in the summer of 2025, the Beaver Brigade marched into Bernheim Forest. This woodland spans more than 16,000 acres (6,475 hectares) in north-central Kentucky. Every other month,…

This Band Aid-like device could let you ‘feel’ the virtual world

Phones, tablets and other electronic gadgets display lifelike images and play realistic sounds. What’s next? Maybe, making virtual objects feel real. A new device that’s worn on your fingertip —…

Let’s learn about the platypus

Even a brief glance reveals that the platypus is a pretty weird creature. It looks sort of like a beaver that tried to disguise itself as a duck. In fact,…

Artemis II just made a historic loop around the moon

HOUSTON — After five days in space and five decades of waiting, astronauts just got a view of the moon unlike any other. The Artemis II mission’s Orion spacecraft looped around…

Wind won’t keep hungry yellow jackets away from your picnic

Good luck keeping yellow jackets from hovering over your dinner plate at a backyard barbecue. These wasps can track tasty smells — and then hang out to grab a bite…

Scientists Say: Technofossil

Technofossil (noun, “Tek-no-FAH-sil”) A technofossil is an object that could offer future archaeologists clues about our modern life. A technofossil is not a true fossil. Real fossils are remnants of…

At least half of U.S. teens use chatbots for homework and more

“AI is like a helper, like an enhancer,” says Dharunish Y. This high-school junior in Pennsylvania thinks AI-based chatbots, such as ChatGPT or Claude, can help people code, generate ideas…

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…