From Megalodon to the strange spiral-toothed sharks of the Carboniferous, explore which shark species have gone extinct and why some living today are at risk.
Female sea turtles face a long road to reproduction, from decades of maturing to nesting on shrinking, warming beaches threatened by pollution and predators.
Title 22 sets California's healthcare facility standards, covering staffing ratios, patient rights, and reporting rules that go beyond federal requirements.