- Strange egg-laying mammal may not be extinct in Australia after all http://news.mongabay.com/2013/0103-hance-long-echidna-australia.html 102 comments science
- The events leading to multiple sex chromosomes using an echidna genome sequence: The nearly gapless genome sequence of the echidna, an egg-laying mammal with multiple sex chromosomes, helped researchers track genomic reorganization events that gave rise to a highly unusual sex determination system. https://www.eurekalert.org/news-releases/1069499 3 comments science
- Why do bugs give birth (lay eggs) to hundreds of offspring while mammals can only give birth to a couple? https://www.reddit.com/r/askscience/comments/6vfcdx/why_do_bugs_give_birth_lay_eggs_to_hundreds_of/ 5 comments askscience
- Platypuses glow in the dark. It’s not enough to be a mammal that lays eggs, sports a duck-like bill and webbed feet, hunts using electroreception, and wields venomous spurs: it turns out they also glow green under ultraviolet light. https://www.degruyter.com/view/journals/mamm/ahead-of-print/article-10.1515-mammalia-2020-0027/article-10.1515-mammalia-2020-0027.xml 8 comments science