BlogArena

General blog about anything and everything of everyday's life.

September 19, 2014
by Guest Post
0 comments

Forelimb bone data predicts predator style

In their quest to understand what kind of hunter the extinct marsupial thylacine was, two paleobiologists built a dataset of forelimb bone measurements that predict the predation style of a wide variety of carnivorous mammals. They describe the data in … Continue reading

April 28, 2012
by Guest Post
0 comments

Did Bone Ease Acid for Early Land Crawlers?

In a new paper in the Proceedings of the Royal Society B, scientists propose that the bony structures in the skin of many early four-legged creatures might have been there to relieve acid buildup in bodily fluids. Analysis of their … Continue reading

January 1, 2012
by Guest Post
3 Comments

North American Mammal Evolution Tracks with Climate Change

*Climate changes profoundly influenced the rise and fall of six distinct, successive waves of mammal species diversity in North America over the last 65 million years, shows a novel statistical analysis led by Brown University evolutionary biologists. Warming and cooling … Continue reading