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This TED Talk by Alexander Tsiaras, a computer programmer and neuroscientist, describes some wonderful images of human development from conception to birth. Check this out.

The assessment items on this website are the result of more than a decade of research and development by Project 2061, a long-term science education reform initiative of the American Association for the Advancement of Science. Here you will find free access to more than 600 items. The items:Are appropriate for middle and early high school students.Test student understanding in the earth, life, physical sciences, and the nature of science.Test for common misconceptions as well as correct ideas.

Thanks for sharing this John. Project 2061 has made important strides over the past 15 years. Good to see they offer some items for teachers to use in assessments.

a link to a zip file of very cool invention activities for cell bio developed at Univ. of British Columbia

Exeter puts on some of the best professional development conferences in the US. They just started this conference for bio teachers. Also, all conferences end with an incredible lobster dinner. 

The Next Generation Science Standards are being developed in collaboration with NSTA. These standards will form the backbone of the Common Core Standards in Science within the next year of so. Interesting. They are worth digesting.

very interesting summary of research that shows biological sex is much more fluid and nuanced than we think. 

another great infographics site with links to free tools to use. There are some really cool examples on here that even related to science (including a very funny Periodic Table of Fonts which has nothing to do with science, I don't suppose, but is cute).