The oldest known animal on Earth was oval-shaped, flat, and had a sort of central ridge. Remarkably simplistic, this creature inhabited the ocean depths! For ...
The Fazenda Bonfim emerald deposit lies within the Seridó Belt. It is a classic example of deposit formed through metasomatic interactions between Be-rich granite intrusions and Cr(± V)-rich ...
Morning Overview on MSN
Earth’s magnetic field nearly vanished in a terrifying close call
Roughly 42,000 years ago, Earth’s magnetic field weakened dramatically during the Laschamps geomagnetic excursion, allowing more cosmic radiation to reach the atmosphere. In a peer‑reviewed study of ...
The Daily Galaxy on MSN
Buried deep in China, this weird ancient sponge closes a 160-million-year gap in evolution
The find, led by Shuhai Xiao of Virginia Tech, suggests that the earliest sponges lacked mineral skeletons, which may explain why older fossils have remained elusive. Sponges are considered among the ...
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