Ecology & Zoology

The origin of the potato - solved

The origin of the potato - solved

Molecular studies recently revealed new genetic information concerning the long-disputed origin of the “European potato.” Scientists from the University of Wisconsin-Madison, the University of La…
How plants fight back

How plants fight back

Rooted in place, plants can't run from herbivores—but they can fight back. Sensing attack, plants frequently generate toxins, emit volatile chemicals to attract the pest's natural enemies, or launch…
Species thrive due to sexual dimorphism

Species thrive due to sexual dimorphism

The presence of ecologically distinct males and females greatly increases a species' niche, say researchers. Some Caribbean lizards' strong sexual dimorphism allows them to colonize much larger…
Hooded seals get around

Hooded seals get around

Researchers have discovered a new fact about hooded seals, a mysterious mammal that spends all but a few days each year in the ocean. An international team of researchers led by Dr. David Coltman,…
Invasion of the island bats

Invasion of the island bats

Ever since the relationship between land area and number of species crystallized into a mathematical power function, islands and island archipelagoes have been thought of as biological destinations…
Wheat stem rust a global threat to wheat supply

Wheat stem rust a global threat to wheat supply

A new, highly destructive strain of wheat stem rust is continuing to evolve and has the potential to devastate wheat production worldwide, say plant pathologists with The American Phytopathological…
Waste-free corn for cars

Waste-free corn for cars

A new variety of corn developed and patented by Michigan State University scientists could turn corn leaves and stalks into products that are just as valuable as the golden kernels. Right now, most U…