475 results
- Earth
Scientists spy sixth undersea-vent ecology
A new group of hydrothermal vents found in the Indian Ocean are populated by communities of organisms that differ significantly from other such groups of vent systems.
- Agriculture
Downtown Fisheries?
Advances may make fish farming a healthy prospect, even for inner cities.
- Earth
Toxic runoff from plastic mulch
By laying sheets of plastic across their fields, farmers can bring crops to market faster while reducing their vulnerability to many blights (SN: 12/13/97, p. 376). On the negative side, however, this polymer mulch creates impermeable surfaces over more than half of a planted field. That significantly increases the amount of rain and pesticides that […]
- Earth
Stemming the Tide
New approaches to stopping the introduction by ships of invasive species to North American waters are beginning to show promise but have a long way to go.
-
-
-
-
-
-
-
-
