The secret behind male ornaments

In many species, males have eye-catching characteristics. Although often impractical, they are beneficial in finding a mate. Scientists have now mapped the genetic bases of such a male ornament in a fish.

Viking sword found in grave in central Norway

During the Viking Age—probably sometime in the 800s-900s—a man died in the village we call Vinjeøra today, south of Trøndelag county. He was buried with a full set of weapons: ax, spear, shield and sword.

Fungi found in cotton can decrease root knot nematode galling

Texas A&M University scientists found that a surprising number of fungi naturally associated with cultivated cotton were capable of curtailing the negative effects of a plant parasite known as the Southern root knot nematode, ...

The sword of a Hispano-Muslim warlord is digitized in 3-D

At age 90, Ali Atar, one of the main military chiefs of King Boabdil of Granada, fought to his death in the Battle of Lucena in 1483. It was there that his magnificent Nasrid sword was taken away from him, and researchers ...

Too much structured knowledge hurts creativity, study shows

Structure organizes human activities and help us understand the world with less effort, but it can be the killer of creativity, concludes a study from the University of Toronto's Rotman School of Management.

The double-edged sword of wildlife-friendly yards

Hundreds of millions of birds are killed in collisions with windows each year in the U.S. alone, and although high-rise buildings tend to be the biggest individual culprits, the vast number of suburban homes across the continent ...

page 1 from 2