Category Archives: Uncategorized

Geologists revisit Earth’s Great Oxygenation Event: More like the ‘Great Redox Evolution’

ScienceDaily (2010-08-19) — Recent work with geochemical proxies for oxygen levels suggests that oxygen levels continued to fluctuate long after the Great Oxygenation Event 2.7 billion years ago, and that the oceans were many different flavors of anoxic right up … Continue reading

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New AP Biology Curriculum Framework

I had the opportunity (thanks to my colleague and AP Biology expert Pat Mote) to examine the new AP Biology Curriculum Framework, due to be implemented in fall 2012. It has been several years in development, undoubtedly in response to … Continue reading

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Vision and Change – TUBE09 – Overarching and unifying concepts and competencies

Thoughts of the Vision and Change TUBE09 working group charged with quantitative competencies applied to the overarching theme of matter and energy. Continue reading

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Peter Gogarten’s seminar – role of Chlamydia in origin of plastids?

I heard a provocative seminar by Peter Gogarten of U. Conn today. His work is funded by the NASA Exobiology program and by NSF’s Tree of Life program. The title of his seminar was “Phylogenetics in Light of Horizontal Gene … Continue reading

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Does Catbert Work at Clark-Atlanta University?

Fans of Scott Adams’ comic “Dilbert” know Catbert as the Evil Director of Human Resources, who takes pleasure in torturing employees through sadistic and nonsensical policies and whose chief delight is “downsizing”. Not only has CAU fired nearly a third … Continue reading

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Hello world!

Dipping my toes into the brave new ocean of Web2.0.  To blog or not to blog.  I blog, therefore I am (in the on-line world)? The creation of this blog was inspired by Gardner Campbell’s talk at BLC6 (Biology Leadership … Continue reading

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