Stumpy trunks, fans of palmate leaves and some lethal ingredients in the
seeds are the cyclads’ distinguishing marks. But Knut Norstog and Trevor
Nicholls’ The Biology of the Cycads have found far more to tell us about this
ancient species, which dominated the world for more than 230 million years until
flowering plants came along. Some have endured unchanged since the Mesozooic.
Published by Comstock/Cornell University Press, 拢13.95, ISBN 080143033X.
More from New 女生小视频
Explore the latest news, articles and features
Popular articles
Trending New 女生小视频 articles
1
Where, when and how to watch the 2026 solar eclipse
2
Our verdict on The Selfish Gene: An unpopular piece of popular science
3
If you aren't terrified by this heatwave, you should be
4
Europe鈥檚 heatwave is the hottest and most humid ever
5
You should turn off fans when it's too hot 鈥 but how hot is too hot?
6
Cervical cancer deaths have plummeted thanks to HPV vaccine
7
Ancient human DNA found on cave art for the first time
8
Most portable air conditioners suck 鈥 but there's an easy fix
9
The best sci-fi novel in 2026 so far 鈥 plus 6 other great reads
10
Autism may have two distinct subtypes that vary by brain activity
