Ancestral Tarsiers Had Tri-color Vision

The prevailing hypothesis concerning the evolution of the anthropoid visual system is that ancestral haplorhines were nocturnal. Later their descendants invaded a diurnal niche, with the evolution of highly acute, three-color vision. Now, a new study (Melin et al. 2013) challenges this view, suggesting instead that stem haplorhines already possessed three-color vision before they move into a fully diurnal niche. Read More...

Vaccine Could Save Tasmanian Devils From Extinction.

New research paves the way for the development of a vaccine for the Tasmanian devil, Sarcophilus harrisii (Figure 1), currently on the brink of extinction because of a contagious cancer.
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