Cover crops can lower yields, according to new study

The promise for American agriculture is tantalizing: healthier soil, more carbon kept in the ground, less fertilizer runoff, and less need for chemicals. The reality of planting cover crops during the off-season—a much-touted ...

Hybrid songbirds found more often in human-altered environments

Hybrids of two common North American songbirds, the black-capped and mountain chickadee, are more likely to be found in places where humans have altered the landscape in some way, finds new University of Colorado Boulder ...

Dramatic decline in Adélie penguins near Mawson

Long-term monitoring has revealed a 43% decline in a large Adélie penguin population off the East Antarctic coast, near Mawson research station, over the past decade.

page 5 from 40