Discovery uncovers a new leaf for redwoods

Redwoods are among the most well-studied trees on the planet, and yet their mysteries continue to surprise and delight scientists and nature lovers.

Leaf oysters: The unsung heroes of estuaries are disappearing

Camouflaged by a layer of silty mud, most people probably wouldn't notice the large flat oysters lurking beneath shallow water in Australia's coastal estuaries. These are remarkable "leaf oysters," and they can form reefs, ...

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