5,518 results
5,518 results for: Forests
- Astronomy
Stellar Tantrums: Tracking the flaring cycles of other stars
Astronomers are closely tracking the ebb and flow of magnetic activity and powerful flares on stars other than the sun.
- Health & Medicine
A Virus Crosses Over to Wild-Animal Hunters
A potentially dangerous virus is moving from nonhuman primates to Africans who hunt and eat wild animals, a new study suggests.
- Animals
Thoroughly Modern Migrants
Butterflies and moths are causing scientists to devise a broader definition of migration and this has raised some old questions in new ways.
-
They’re Sequencing a What?
Announcements of new targets for genome sequencing are bringing celebrity to lesser-known twigs on the tree of life.
- Earth
Marsh Farming for Profit and the Common Good
A move is now afoot to get farmers to embrace wetlands as part of their business.
-
19261
This article raised so many questions. Do children who play in the dirt get their increased immune resistance from phages in the dirt? Is there a phage connection in the AIDS story? Does the risk of dying of heart attacks have a phage connection? If so, is group A Streptococcus involved? Do we need a […]
- Earth
Clearing the Air: Ozone-killing bromine is on the decline
Chemical analyses of Earth's lower atmosphere show that the overall concentration of bromine, a component of some potent ozone-destroying chemicals, has dropped by 5 percent since peaking in 1998.
- Earth
Satellites show Earth is greener
Daily observations from space for nearly 2 decades indicate that our planet is getting greener.
- Earth
Mapping carbon dioxide from space
An orbiting observatory in space will sense atmospheric carbon dioxide levels around the globe, creating a detailed map of the greenhouse gas' sources and sinks.
- Math
Pinpointing Killer Asteroids
Two award-winning high school students' projects focused on new methods for pinpointing asteroids locations.
- Earth
Fallen Trees? Scotch pines emit nitrogen oxides into the air
Northern pine forests may exude nitrogen oxides—a contributor to smog and acid rain—in quantities that rival those produced by industry and traffic worldwide.
- Humans
From the September 6, 1930, issue
alt=”Click to view larger image”> LIONS IN ALASKA Alaska, with its vast herds of caribou, its foxes and beaver, its mountain sheep and goats, and its great bears, black, brown, grizzly, and white, is one of the world’s game paradises; but 100,000 years ago, long before the slow-witted men who inhabited Europe thought to follow […]
