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The 2025 energy credit cap that surprises homeowners—and how to plan around it

Homeowners racing to upgrade furnaces, windows, and insulation in 2025 are running into a surprise: a federal energy credit ...

Mysterious, thermally insulating patches at the base of Earth's mantle

With modern seismic tomography, Earth scientists have discovered that above Earth's core-mantle boundary (CMB), about 2,900 ...