Access
This article is part of Nature's premium content.
Published online 29 September 2005 | Nature | doi:10.1038/news050926-13
News
Continental split boosted big mammals
Atmospheric oxygen may account for popularity of placentas.
The formation of the Atlantic Ocean may be responsible for the fact that babies are attached to a placenta in the womb.
It sounds like a bizarre claim, but oceanographer Paul Falkowski of Rutgers University in New Jersey and his colleagues have discovered evidence for the link in the geological record.
To read this story in full you will need to login or make a payment (see right).
Comments
Reader comments are usually moderated after posting. If you find something offensive or inappropriate, you can speed this process by clicking 'Report this comment' (or, if that doesn't work for you, email webadmin@nature.com). For more controversial topics, we reserve the right to moderate before comments are published.
There are currently no comments.
