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Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

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Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

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Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

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Approximately 25% of all reported medication errors result from some kind of name confusion.

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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

Invasive species in Canada include (a) zebra mussels, Dreissena polymorpha, (b) sea lamprey, Petromy Invasive species in Canada include (a) zebra mussels, Dreissena polymorpha, (b) sea lamprey, Petromy
Upper Paleolithic stone tools include blade-based tools as seen here being produced from a blade cor Upper Paleolithic stone tools include blade-based tools as seen here being produced from a blade cor
The primary and secondary adaptive responses. The primary and secondary adaptive responses.
The rock cycle and the Earth’s physical environment The rock cycle and the Earth’s physical environment
Human impacts and the built environment Human impacts and the built environment
Energy flows from the environment into living organisms, then back to the environment Energy flows from the environment into living organisms, then back to the environment
Video: Cleavage and Implantation Animation

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