Close-up of a single blueberry surrounded by a cluster of fresh blueberries.

Antioxidants: What They Do and Why Your Body Needs Them

Antioxidants are compounds that help protect cells from damage caused by highly reactive molecules called free radicals. Your body produces some antioxidants on its own, while others come from foods such as fruits, vegetables, whole grains, nuts and seeds. But antioxidants are often misunderstood. They are sometimes described as substances that simply “fight” aging or…

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Close-up of a car’s infotainment screen showing a GPS navigation map at night, with temperature readings, Google Maps interface, and illuminated climate and media controls on the dashboard.

How GPS Works: The Satellite System That Locates Us Anywhere on Earth

The Global Positioning System, or GPS, is a constellation of satellites that allows a receiver anywhere on or near Earth’s surface to determine its precise three-dimensional position and exact time. Operated by the United States Space Force and owned by the U.S. government, the system provides continuous, worldwide coverage free of charge for civilian users….

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Göbekli Tepe at sunrise: ancient T-shaped pillars emerging from mist on a limestone ridge in Turkey, with dramatic golden light and mountains in the background.

Buried Secrets of Göbekli Tepe: Are These Pillars Hiding the Truth About Our Past?

Göbekli Tepe stands as one of humanity’s greatest mysteries — a 12,000-year-old temple complex built by hunter-gatherers and deliberately buried beneath the earth. With its towering T-shaped pillars carved with strange and powerful symbols, the site challenges everything we thought we knew about the origins of civilization. Only a fraction has been uncovered. What secrets are still waiting to be revealed?

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Top view of people sitting down at a table with assorted laptop computers and mobile phones.

Impact of Technology on Society: The Positive and Negative Effects

Technology has changed far more than the devices people use every day. It has changed how information moves, how businesses operate, how healthcare is delivered, how people learn, how work is organized, and how individuals interact with one another. That transformation has produced enormous benefits. Digital technologies can make information easier to access, connect people…

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Abha, Saudi Arabia, photographed 9 November 2011 by Basheer Olakara. Licensed CC BY 2.0 via Wikimedia Commons. One of four cities Saudi officials said were hit on 8 September 2026; this is a city view, not a photo of the strikes.

Houthi Strikes on Southern Saudi Arabia Injure 73 and Disrupt Energy Facilities

Yemen’s Houthi forces launched ballistic missiles and drones at targets in southern Saudi Arabia on Tuesday, injuring 73 people, including women and children, and causing fires that temporarily halted operations at some energy facilities, according to Saudi officials. The attacks struck the cities of Abha, Khamis Mushait, Jazan and Najran, the Saudi-led coalition fighting in…

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