Do scales, feathers, and hairs share a common ancestry?
A bird's feathers, a reptile's scales, and a mammal's hairs may seem like very distinct features, but these skin appendages may come from common origins, say scientists.The mechanism behind the embryonic development of feathers, reptilian scales, and hair is remarkably similar, according to a paper published Friday in the journal Science Advances. This finding suggests that these distinct appendages have their roots in a common ancestor of these three diverse lineages."This doesn't imply at all..>> view originalPluto's Subsurface Ocean Likely Exists Today
Ongoing geological activity on Pluto seen by NASA's New Horizons spacecraft could be caused by the partial freezing of a subsurface ocean that likely still exists today, a new paper in Geophysical Research Letters says. Noah P. Hammond, Brown University, is lead author on the paper, "Recent Tectonic Activity on Pluto Driven by Phase Changes in the Ice Shell." Planetary Science Institute Senior Scientist Amy C. Barr is Hammond's academic graduate advisor and co-author on the paper. "Ou..>> view original
Monday, June 27, 2016
Do scales, feathers, and hairs share a common ancestry? and other top stories.
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