Tag: pnas

Women in Science, ctd.

15 February, 2011 (13:11) | General Science | By: Trey

Mary wrote about this recently, and it rightly remains a topic of conversation: Women in Science. PNAS recently had an article entitled, “Understanding the current causes of women’s underrepresentation in science.” suggests that today’s reasons for the underrepresentation of women in (math intensive) sciences is less due to active discrimination and more due, as they [...]

Increased atmospheric CO2 levels: an itchy situation?

27 February, 2008 (09:55) | General Science | By: Jennifer

When I get time, I like to garden. I mentioned to my aunt, who is a master gardener in my area, how much trouble I had with poison ivy last year. She responded that she wasn’t surprised because many master gardeners had noticed that poison ivy was on the rise. Being the curious biologist-type, with [...]

Acceleration of human adaptive evolution

14 January, 2008 (17:12) | Genomics Research | By: Trey

I’ve been following a fascinating conversation about this paper: Recent acceleration of human adaptive evolution by John Hawks et al. In this paper the authors found that: Genomic surveys in humans identify a large amount of recent positive selection. Using the 3.9-million HapMap SNP dataset, we found that selection has accelerated greatly during the last [...]