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Life sciences/Organismal biology/Animals/Vertebrates/Mammals

Dianna Aston introduces her picture book, An Egg Is Quiet, in this guest blog post.
The technique produces tiny amounts of the opioid molecules, but the process might someday reduce the manufacture time of certain medications.
This unique mammal found in tropical Asia and Africa is covered in spiky scales.

A global, four-year project involving hundreds of scientists shows how avian lineages diverged after the dinosaurs’ extinction.

The primitive form of crayfish anxiety probably shares some evolutionary origins with the more developed human form, although the ways in which this emotion has shaped each species remain unknown.