Browse Reference Articles
61 to 70 of 496 articles
-
Dead zone (ecology)
Dead zones are hypoxic (low-oxygen) areas in the world's oceans, the observed incidences of which have been increasing since oceanographers began noting them in the 1970s. The term could as well ... > more -
Environmental engineering
Environmental engineering is the application of science and engineering principles to improve the environment (air, water, and/or land resources), to provide healthful water, air, and land for human ... > more -
Insects (including Butterflies)
Pests and Parasites
Animals
Agriculture and Food
Endangered Plants
Organic
Biological pest control
Biological control of pests and diseases is a method of controlling pests and diseases in agriculture that relies on natural predation rather than introduced ... > more -
Larsen Ice Shelf
The Larsen Ice Shelf is a long, fringing ice shelf in the northwest part of the Weddell Sea, extending along the east coast of Antarctic Peninsula from Cape Longing to the area just southward of ... > more -
Giant clam
The Giant Clam (Tridacna gigas) is the largest living bivalve mollusc. One of a number of large clam species native to the shallow coral reefs of the South Pacific and Indian oceans, they can weigh ... > more -
Cretaceous
The Cretaceous period is one of the major divisions of the geologic timescale, reaching from the end of the Jurassic period, about 146 million years ago (Ma), to the beginning of the Paleocene epoch ... > more -
Extinction event
An extinction event (also extinction-level event, ELE) occurs when a large number of species die out in a relatively short period of time. Since life began on Earth, a number of major mass ... > more
Search ScienceDaily
Number of stories in archives: 137,308

