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Seafloor amber may hold hints of a tsunami 115 million years ago

May 23, 2025 by Isabelle Wintle

A slab of brown-gray rick is topped by a seam of golden colored amber. The fossilized tree resin was deposited by a massive tsunami, a new study suggests.

Wavelike patterns in 115-million-year-old amber suggest that a long-ago tsunami inundated what is now northern Japan, researchers report May 15 in Scientific Reports. Tsunamis can be destructive and, to anything …

A new iron compound hints ‘primordial’ helium hides in Earth’s core

May 23, 2025 by Isabelle Wintle

illustration showing the location of helium in the helium-iron compound

Scientists have coaxed one of the universe’s most stubborn elements into a new compound. Formed under intense pressures, the newly discovered compound packs helium atoms into crystalline iron, researchers report …