Researchers determine dinosaur replaced teeth as fast as sharks

A meat-eating dinosaur species (Majungasaurus) that lived in Madagascar some 70 million years ago replaced all its teeth every couple of months or so, as reported in a new study published today in the open-access journal ...

Superfood for Mesozoic herbivores?

The long-necked, big bodied sauropod dinosaurs comprise some of the largest terrestrial vertebrates to walk the earth. These behemoths were herbivores that survived solely on plant material. There has been long speculation ...

Decoding the scent of a plant

The plant and animal kingdoms are rich in odors that function as key communication modules. Specifically, the interactions between plants and insects come with a plethora of odor exchanges. While some scents help attract ...

Ants that defend plants receive sugar and protein

Biologists Laura Carolina Leal and Felipe Passos have performed a series of experiments to determine how plants with extrafloral nectaries interact with ants in Brazil's Northeast region—specifically, in the interior of ...

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