By Herp News Brain sleep appeared early in vertebrate evolution. Researchers describe the existence of REM and slow-wave sleep in the Australian dragon, with many common features with mammalian sleep: a phase characterized by low frequency/high amplitude average brain activity and rare and bursty neuronal firing (slow-wave sleep); another characterized by awake-like brain activity and […]
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Apr 28
Apr 28
Study identifies a key to bone formation, vertebrate evolution
By Herp News Researchers have identified a key action of a watershed gene critical to bone formation and the evolution of vertebrates. The Sp7 or Osterix gene more than likely emerged from an ancestral gene family about 400 million years ago, expanding the diversity of life and programming the development of bone-secreting osteoblast cells. The […]
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Herp Photo of the Day: Salamander
This adorable pair of Tiger Salamanders in our herp photo of the day in our Herp Photo of the day, uploaded by kingsnake.com user persephonie are just popping out to see whats for dinner! Be sure to tell them you liked it here! Upload your own reptile and amphibian photos at gallery.kingsnake.com, and you could […]
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