Study sheds light on life cycle of tree roots

Fallen tree leaves on the forest floor are called leaf litter. Although scientists can examine leaf litter on the surface of soil by collecting it using litter traps, studying what is happening underground is much more difficult. ...

The early evolution of successful twig mimicry in insects

Twig mimicry is most common and diversified in Phasmatodea (stick and leaf insects), a group of iconic models for understanding the evolution of camouflage and mimicry among insects. Extant stick and leaf insects exhibit ...

A new field of research: Crystal traces in fossil leaves

In fossil leaves, puzzling structures are often visible under the microscope. Researchers at the University of Bonn have now been able to show for the first time that they originate from calcium oxalate crystals. On the one ...

page 7 from 40