Unsolved Problems in Metallurgy. By R. A. Hadfield. Join Our Community of Science Lovers! Sign Up for Our Free Daily Newsletter. Enter your email.

Quirks & Quarks features our ever-popular listener question show, where we find experts to answer your questions. But here ...

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One of the oldest unsolved problems On June 7, 1742, Prussian mathematician Christian Goldbach wrote a letter to Swiss polymath Leonhard Euler.

For over 100 years, two theories have shaped our understanding of the universe: quantum mechanics and Einstein’s general ...

From the sinkholes beneath our feet to the global fight against disease, science is bedrock for our prosperity, our security ...

11 Unsolved Problems in Climate Change. Posted: June 12, 2025 | Last updated: June 15, 2025. What are the gaps in our understanding of climate change? More for You.

The Inter-universal Teichmüller Theory, an infamous proof that has confounded mathematicians for over a decade, has been ...

Our grandparents paid taxes that support our prosperity today. It's critical that we step up for our kids and their kids.

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