The 165-million-year-old mammal predecessor had strong hind limbs and a broad tail for swimming, plus the same throat structures that enable modern mammals to eat a diverse diet.

A swimming and water-foraging mammaliaform, Megacauda sungei gen. et sp. nov., had a lifestyle analogous to the extant platypus, and was capable of mammal-like swallowing and suckling.

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We compared the performance of two common diceCT scan stains, ethylic-Lugol's iodine solution with aqueous-Lugol's, across several vertebrate orders to assess differential imaging outcomes. We found ...