Early stone tools were not rocket science

Archaeologically excavated stone tools—some as much as 2.6 million years old—have been hailed as evidence for an early cultural heritage in human evolution. But are these tools proof that our ancestors were already becoming ...

Defects in quartz crystal structure reveal the origin of dust

Global warming and a progressively drier climate in many parts of the world are causing more dust storms. To predict how these storms are caused, researchers are looking into the past to understand where the dust came from, ...

A long history of European geckos

Geckos lived in Europe as early as 47 million years ago, say paleontologists who have examined a nearly complete fossil gecko skull from central Germany. This previously unknown species was found in a former coalmining area—Geiseltal—and ...

How invading pathogens switch off plant cells' defenses

Many disease-causing bacteria are able to inhibit the defense mechanisms in plants and thus escape dissolution by the plant cell, a process known as xenophagy. Animal and human cells have a similar mechanism whereby the cell's ...

Forest plants now flower a week earlier than a century ago

Early flowering plants in European forests today start their flowering season on average a week earlier than they did a hundred years ago. This is reflected by herbarium specimens, as Dr. Franziska Willems and Professor Oliver ...

page 3 from 12