Science

Numeral System

mathematics

Foodborne Illness

pathology

Cybernetics

Definition & Facts

Oparin, Aleksandr

Russian biochemist

Ameura

trilobite genus

Siliceous Sponge

invertebrate

Shell Nuclear Model

physics

Napier, John

Biography, Invention, Logarithms, Bones, & Facts

Pitta

bird

Butenandt, Adolf

Biography, Nobel Prize, & Facts

Diaspore

mineralogy

Right Ascension

astronomy

Piccard, Jacques

Swiss oceanic engineer

Hadley, John

British mathematician

Sheepshead

fish, Archosargus species

Talapoin

monkey