Tags » Reproduction

Stem Cells: How To Build and Maintain Bodies, Including Plants

Until recently, I didn’t know much about stem cells except that they produced other kinds of cells and that the medical research on them was controversial. 383 more words

Surviving And Thriving

Sensitivity of sea urchin fertilization to pH varies across a natural pH mosaic

In the coastal ocean, temporal fluctuations in pH vary dramatically across biogeographic ranges. How such spatial differences in pH variability regimes might shape ocean acidification resistance in marine species remains unknown. 175 more words


Marine gametes in a changing ocean: Impacts of climate change stressors on fecundity and the egg

In marine invertebrates, the environmental history of the mother can influence fecundity and egg size. Acclimation of females in climate change stressors, increased temperature and low pH, results in a decrease in egg number and size in many taxa, with the exception of cephalopods, where eggs increase in size. 115 more words


Duck sex is so wrong

For Patricia Brennan, duck penis researcher from University of Massachusetts..

Give thanks for the birth of Duck minor
Mother duck has a corkscrew vagina
But daddy’s erection… 144 more words



Reproduction (or procreation or breeding) is the biological process by which new individual lifeforms – “offspring” – are produced from their “parents”. Reproduction is a fundamental feature of all known  914 more words


February 16, 2017 - The Mind in Menopause

Menopause is a time of transition and for some a time of mourning.

I’m post menopausal. I started at about 42 and pretty much came to and end with it about five years ago. 361 more words


Oklahoma Bill Could Require Women to GetFather's permission Before Abortion


The Oklahoma House Public Health Committee on Tuesday advanced a bill that would require women to get written consent from the father of their child before they can get an abortion—a measure that faces widespread criticism after its author, state Rep. 170 more words