Health threat from blue-green blooms extends beyond single toxin

As blue-green algae proliferates around the world, a University of Saskatchewan (USask) researcher cautions that current municipal drinking water monitoring that focuses on a single toxin associated with the cyanobacteria ...

Study measures impact of agriculture on diet of wild mammals

Margays (Leopardus wiedii), small wild cats living in forest areas fragmented by agriculture near Campinas and Botucatu in São Paulo State, Brazil, prey on animals inhabiting nearby sugarcane plantations such as birds and ...

Four ways to curb light pollution, save bugs

Artificial light at night negatively impacts thousands of species: beetles, moths, wasps and other insects that have evolved to use light levels as cues for courtship, foraging and navigation.

Yellowstone's migrating bison manipulate springtime green-up

On a typical June day in Yellowstone, it's not unusual to see hundreds of bison grazing in the Lamar Valley. The herds appear to aimlessly move back and forth through meadows threaded by a winding river, just passive figures ...

page 1 from 1673