Archive for pregnancy

Evolution of pregnancy in mammals

Posted in Evolution with tags , , , , , , on September 21, 2008 by airtightnoodle

Summary: Research suggesting that a change in transcription factors may play an active role in the evolution of structures like the uterus (specifically, the HoxA-11 transcription factor, which is present in all placental mammals but not marsupials).

Interesting stuff. Go here to read more.

Endangered sea dragon pregnant

Posted in science with tags , , , on June 13, 2008 by airtightnoodle

Happy Father’s Day, sea dragon!

Full article here.