The bird retina is one of the most energetically expensive tissues in the animal kingdom, yet it doesn’t use the energy ...

Prologue : Molecular genesis -- The age of first cellular life -- The age of complex cellular life -- Eukaryotes organize and metazoans arise -- Early animals prepare the ground -- Vision's big bang ...

Long before complex vision systems evolved in animals, there was a simple, one-eyed creature whose unique adaptation would shape the eyes of all vertebrates, including humans. This ancestor, which ...

There is a tiny cyclops among your oldest ancestors, and humans share these remarkable ancestral roots with all other vertebrates. Researchers from Lund University and University of Sussex have found ...

Q: What fascinates you about the eye? A: The eye is an absolutely fascinating organ because it's an organ of extreme perfection, as Darwin has called it. We are able to adjust the focus, we are able ...

There is a tiny cyclops among your oldest ancestors, and humans share these remarkable ancestral roots with all other vertebrates. This according to new, surprising research on the evolution of the ...