Science dioramas of yesteryear can highlight the biases of the time. Exhibit experts are reimagining, annotating — and sometimes mothballing — the scenes.

Dar es Salaam. From the comfort of the safari trucks, tourists visiting the wild East African nation of Tanzania have witnessed some of the most brutal and bloody wars known in the animal kingdoms.

Dual-purpose teeth allow them to shear flesh and crush ... but nowhere near adequate for bringing a wildebeest to bay.

People also kill lions because of the growing demand in Southeast Asia for lion body parts: not the heads that trophy hunters covet, but claws, teeth, skin, and bones, used as empowering trinkets ...

The spectacle that unfolds can be likened to an underwater wildebeest migration-where the ... that draw large fish to have their gills, teeth, and carapaces cleaned by smaller ones) that attract ...

Their sharp teeth make this power all the more deadly – incisors ... Lions are carnivorous predators who rely on small mammals like antelope, deer, or wildebeest for sustenance. At the same time, ...

Bush Safari Tour/Hot Balloon above Wildebeest Migration – Witness the wildebeest migration ... These massive herbivores boast formidable fighting teeth and proudly display the size of their dung heaps ...

Get inspired by a weekly roundup on living well, made simple. Sign up for CNN’s Life, But Better newsletter for information and tools designed to improve your well-being. You have been brushing ...

Around age six, most of us begin to lose baby teeth in a process called eruption, exchanging our delicate, first set for more burly, permanent teeth. The phenomenon calls to mind the critters that ...

It's natural to want white teeth, but did you know that professional teeth whitening can be expensive? If you desperately want a brighter smile but don't want the large dentist bill that comes ...

If you want whiter teeth, you don't need to shell out huge amounts on professional services. DIY teeth whitening products can get you a brighter smile at home. We've found the best comprehensive ...