Alternative news
Daily alternative news articles at the News Desk for GrahamHancock.com. Featuring alternative history, science, archaeology, ancient egypt, paranormal & supernatural, environment, and much more. Check in daily for updates!

Author of the Month

To sign up to the Graham Hancock newsletter mailing list, please click here.

April 4 2013

Plants Have Slow Sex in Space


A new study on plant reproduction finds that developing cells are very affected by altered states of gravity—a finding that has implications for our hopes for a future human society in space.

In order for plants to have sex, a pollen grain first lands on a stigma (the female part of a flowering plant.) Following a chemical come-hither signal from the stigma, the pollen grain grows a pollen tube, a tunnel for sperm cells to travel down to reach the egg for fertilization. Pollen tubes are the fastest growing cells in the plant kingdom. The pollen tube was used as a model system for a recent study on the effects of altered gravity on plant reproduction because a response in the pollen tube takes a matter of mere seconds.

[Follow article link...]

Post Your Comments and Discuss This Article on our Message Boards!
Back to Previous...
Go to News Desk...

Enjoy the newsdesk? Please tell others about it:

Tweet
Add Graham via his official Twitter, Google+ and facebook pages.

Site design by Amazing Internet Ltd, maintenance by Synchronicity. Site privacy policy. Contact us.

Dedicated Servers and Cloud Servers by Gigenet. Invert Colour Scheme / Default