Science

Rensselaeria

fossil brachiopod genus

Butene

chemical compound

Smilodon

Taxonomy & Facts

Efflorescence

Definition & Facts

Penrose, Richard Alexander Fullerton, Jr.

American geologist

Flerovium

chemical element

Pegasus

Definition & Facts

Sphenophyllum

fossil plant genus

LCROSS

Mission, Impact, & Facts

Ash

Uses, Diseases, Pests, & Major Species

Marguerite

Distribution, & Facts

Elk

Habitat, Reproduction, & Facts

Calculus Of Variations

Examples, & Facts

Cockatiel

bird

Electrophile

chemistry

Döbereiner, Johann Wolfgang

German chemist