CT scan of the front of a skate, showing the hard, tooth-like denticles on its skin (shown in orange). Credit: Yara Haridy CT scan of the front of a skate, showing the hard, tooth-like denticles on ...

A new study has revealed that teeth, as we know them today, didn’t evolve for chewing or biting, but for sensing the environment around ancient fish. This discovery pushes the timeline of vertebrate ...

illustration: A school of Ferruaspis is chased by the extinct platypus, Obdurodon. Named after Professor Jochen J. Brocks from the Australian National University, who discovered several of the ...

We preselected all newsletters you had before unsubscribing.

Article from Biological Sciences in Space. -- Vol.11, no. 3 (1997). Report of the Medaka fish mating experiment carried out on the space shuttle Columbia as part of the second International ...