animation

background

bacteria

bacterium

bio

biological

birth

breed

cancer

cell

cgi

chemical

chemicals

chemistry

clone

closeup

colony

danger

disease

division

epidemic

germ

group

growth

hazard

health

illness

lab

laboratory

life

macro

many

medical

medicine

micro

microbe

microscope

multiply

organic

plague

reproduce

reproduction

rise

rising

science

scientific

small

spawn

virus