Strange how ideas have a habit of coming round again. Scientists have recently suggested that the female reproductive tract in we humans acts like an obstacle course designed to 'weed out' sperm that are not in top physical condition (https://www.theguardian.com/science/2019/feb/13/female-human-body-blocks-weak-sperm-scientists-find). This would help ensure that the products of fertilisation are likely to be viable. I remember Dr Jack Cohen (then of Birmingham University) suggesting this idea around 40 years ago!
This blog may help people explore some of the 'hidden' issues involved in certain media treatments of environmental and scientific issues. Using personal digital images, it's also intended to emphasise seasonal (and other) changes in natural history of the Swansea (South Wales) area. The material should help participants in field-based modules and people generally interested in the natural world. The views are wholly those of the author.
Monday 18 February 2019
The Science Roundabout Strikes Again?
Strange how ideas have a habit of coming round again. Scientists have recently suggested that the female reproductive tract in we humans acts like an obstacle course designed to 'weed out' sperm that are not in top physical condition (https://www.theguardian.com/science/2019/feb/13/female-human-body-blocks-weak-sperm-scientists-find). This would help ensure that the products of fertilisation are likely to be viable. I remember Dr Jack Cohen (then of Birmingham University) suggesting this idea around 40 years ago!
Subscribe to:
Post Comments (Atom)
Seeing the Changes 2016
Further flowers in Bynea. Pineapple mayweed ( Chamomilla suaveolens ) and feral Cultivated apple ( Malus domestica ) put in appearances.
-
The UK government continue their quest to turn England's rivers back into sewers. They first facilitated the privatised water companies...
-
Garden plants in France, The Netherlands, The UK and Sikkim (NE India).
No comments:
Post a Comment