How saber-toothed cats' baby teeth kept their adult fangs from breaking
Scientists simulated the dental adaptations of these adolescent predators.
Source: popsci.com
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A jaw-dropping conundrum: Why do mammals have
The lower jaws of lizards, birds, fish and even dinosaurs are comprised of multiple bones per side. Yet mammals diverged from all other vertebrates and settled on just one bone, repurposing the extra bones into a more elaborate inner ear, perhaps the better to hear. The single bone per side, fused in primates into one jawbone, makes the jaw more rigid. A UC Berkeley paleontologist asks, Did the stiffer, rigid jaw make mammals more successful?
Source: eurekalert.org
SF sues Bernal Heights landlord for dozens of illegal units | Housing
A landlord faces $10M in civil penalties after allegedly illegally renting dozens of units.
Source: sfexaminer.com
T. Rex's Teeth Didn't Protrude Outside Its Jaws, Unlike Fearsome Hollywood Depictions
The chompers of two-legged carnivorous dinosaurs didn’t protrude outside their jaws, a new study suggests
Source: wsj.com
T. Rex Had Lizard-like Lips That Covered Its Teeth
The chompers of two-legged carnivorous dinosaurs didn’t protrude outside their jaws, a new study suggests
Source: wsj.com