1. A sample of woody angiosperm species was used to test a central prediction of the 'leafing intensity premium' hypothesis: higher leafing intensity (number of leaves produced per unit dry mass of ...

A new genus of Theaceae, Andrewsiocarpon, from the Middle Eocene of southeastern North America, is described based on fruit and seed remains. Andrewsiocarpon is a loculicidally dehiscent five-valved ...

The centerpiece of the Swedish Museum of Natural History, in Stockholm, is probably the Fossils and Evolution hall, in which an enormous Tyrannosaurus rex skeleton seems to yawn over crowds of ...

Pyrenees fossils suggest the Montsechia lived up to 130 million years ago and is the earliest known example of a fully submerged aquatic flowering plant Editor's note: The following essay is reprinted ...