Born in Waterloo, Canada, geneticist Jennie Laura Symons Simpson (1894-1977) earned all her degrees from McGill University (B.A., 1917; M.S., 1921; Ph.D., 1925). In 1925 she married biochemist George Eric Simpson (d. 1927) and eventually...

First stromatolites in North America discovered here; fossils of marine algae were fully described by pioneering female paleontologist Winifred Goldring.

Lichen is made up of two organisms. Find out what those two are and how being a combination helps them to survive.

[Free Registration/Login may be required to access all resource tools.] Humans could not live on Earth if it were not for protists. Why? Protists produce almost one-half of the oxygen on the planet, decompose and recycle nutrients that...

Provides information about diatoms, including their physical characteristics, where they can be found, their classification, how they reproduce, how they form diatomaceous earth when they become fossilized, and their importance to...

What are protists? Illustrated discussion of protists including characteristics, types, major groups, and how they survive.

Scientist have recently discovered that clouds possess far more unique traits than just their shapes. Read about the scientific discovery that at least some clouds contain biological particles that can be analyzed to show where the cloud...

This document offers images of common plants in intertidal zones, along with facts about these plants. PDF (requires Adobe Reader).

One of the major causes of species extinction is the introduction of alien species. Information about ten different invasive species is presented. Find out how well you know the information by matching alien species with the effects...