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Factoid Cosmos Fun and fascinating facts about space, science, history, and the world around us. Learn something new every day with Factoid Cosmos.

10/06/2026

Parker Solar Probe is making history, diving closer to the Sun than any spacecraft before it. Reaching incredible speeds, it's answering age-old questions about our star's power and atmosphere.

10/06/2026

Researchers discovered an incredible method to age sharks by examining their eye lenses. One specimen was estimated to be around 400 years old, possibly even older, making it a witness to historical events like Shakespeare's plays.

10/06/2026

Researchers are studying Greenland sharks to unlock secrets of extreme longevity. These ancient creatures, living for centuries, hold mysteries about aging itself, yet much of their life cycle, including birth, remains unobserved. We're just beginning to understand these Arctic giants.

09/06/2026

How does a Greenland shark survive for centuries? This incredible creature thrives in the Arctic's dark, freezing waters. Some reach over 20 feet and weigh more than a ton, living lives shrouded in mystery.

09/06/2026

This massive shark lived for 400 years, possibly more! Its secret? An incredibly slow life in frigid waters. With a metabolism that crawls, it grows less than a centimeter per year and doesn't reach adulthood until 150. Studying them could unlock secrets to aging itself.

09/06/2026

Imagine a creature born before the United States existed, still swimming in the Arctic Ocean today. Scientists have discovered Greenland sharks potentially over 400 years old, making them the longest-living vertebrates. This incredible longevity raises fascinating questions about survival.

09/06/2026

Meet the Greenland shark, a creature potentially older than the United States itself. Living in the Arctic's icy depths, these giants can live for centuries. Scientists discovered their incredible age by analyzing the shark's eye lens, revealing a lifespan of up to 400 years, predating Shakespeare and the first steam locomotives.

09/06/2026

Completed in 1831, the original London Bridge faced a hidden problem. Despite heavy daily use, the massive structure was slowly sinking into the ground. A testament to engineering challenges.

09/06/2026

The historic London Bridge, once built for horses, couldn't handle today's cars. It was famously sold and moved to become the centerpiece of Lake Havasu City.

08/06/2026

In the heart of the Arizona desert stands a replica of London's Tower Bridge. Its creator understood exactly what he was buying, and this unique landmark has since drawn millions of visitors, proving unexpected ventures can lead to remarkable success.

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