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Data poisoning can make an AI system dangerous to use, potentially posing threats such as chemically poisoning a food or water supply. ArtemisDiana/iStock via Getty Images

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How poisoned data can trick AI − and how to stop it

Staff Writer - August 13, 2025

Most older adults who use AI use smart speaker assistants. Six_Characters/E+ via Getty Images

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Older Americans are using AI − study shows how and what they think of it

Keith Krach with his hands up at the Perdue Commencement

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Krach Delivers Powerful Purdue Commencement Address with Proof of Equation: Transformation to the Power of Trust

TikTok appears to be changing hands, but what that means for users is up in the air. Stefani Reynolds/AFP via Getty Images

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TikTok sale puts app’s algorithm in the spotlight – a social media expert explains how the For You Page works and what changes are...

President Donald Trump displays his executive order countering state laws regulating AI. Alex Wong/Getty Images

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What’s at stake in Trump’s executive order aiming to curb state-level AI regulation

The angles and branches in this illustration of a chip are key to using terahertz waves for the next generation of high-speed wireless communications. Wenhao Wang, Guillaume Ducournau, and Ranjan Singh

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Chip that steers terahertz beams sets stage for ultrafast internet of...

Staff Writer - September 3, 2024

Large language models have become extremely good at mimicking human writing. Robert Wicher/iStock via Getty Images

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Why it’s so hard to tell if a piece of text...

Staff Writer - December 25, 2025

Tiny insulating layers inside electronics help store charge so computers can run smoothly. bee32/iStock via Getty Images

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An ultrathin coating for electronics looked like a miracle insulator −...

Staff Writer - January 19, 2026

AI agents have emerged from the lab, bringing promise and peril. tadamichi/iStock via Getty Images

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AI agents arrived in 2025 – here’s what happened and the...

Staff Writer - December 30, 2025

AI companies are finding that chatbots don’t have the same liability shield that internet platforms do. Westend61 via Getty Images

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Suicide-by-chatbot puts Big Tech in the product liability hot seat

Staff Writer - September 19, 2025

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Epic Movies on the Rise, new technologies unleash movie-making!

Shaneka Whitby - October 15, 2014

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Imitation Game brings to life the real Alan Turing, pioneer of...

Staff Writer - October 11, 2014

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Beyond silicon: the search for new semiconductors

Staff Writer - March 10, 2016

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EXPLORING NATURE

The Democratic Republic of Congo is scaling up health operations to contain the Ebola epidemic. Michel Lunanga/Getty Images

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What’s wrong with how US and Uganda plan to stop Ebola spreading

Staff Writer - May 30, 2026

Katrine L. Wallace, University of Illinois Chicago As public health workers in the Democratic Republic of Congo work to...

When you experience something that can’t easily be explained, do you think of the supernatural? Zeferli/iStock via Getty Images Plus

Is my brain wired to never see a ghost? A psychologist...

May 28, 2026

But women continue to die from causes related to pregnancy and childbirth until one year after birth. Goodboy Picture Company/E+ Collection via Getty Images

Nearly half of maternal deaths in Pennsylvania occur more than 6...

May 27, 2026

Across the U.S., people are calling for companies to pay for the damage they have done to the environment. Alex Kent/AFP via Getty Images

The US Constitution and laws do not protect oil companies from...

May 24, 2026

This device measures acceleration and rotation by shining lasers into small clouds of rubidium atoms. Sandia National Laboratories

Quantum sensors use atoms, electrons and light as ultra‑steady rulers –...

May 20, 2026