News tagged with environment

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Researchers discover biological basis of 'bacterial immune system'

Chemistry / Biochemistry

created 7 hours ago | popularity 4.8 / 5 (4) | comments 1

(PhysOrg.com) -- Bacteria don’t have easy lives. In addition to mammalian immune systems that besiege the bugs, they have natural enemies called bacteriophages, viruses that kill half the bacteria on Earth every two days.


Burning coal worse for climate than clearing rain forests

Space & Earth / Environment

created Nov 26, 2009 | popularity 2.4 / 5 (8) | comments 4

Deforestation has had a big influence on the increase of carbon dioxide (CO2) emissions in the past three centuries, but its impact is tapering off relatively. Nowadays, the burning of fossil fuels is a more crucial factor. ...


Researchers discover biological basis of 'bacterial immune system'

Biology / Cell & Microbiology

created Nov 25, 2009 | popularity 4.7 / 5 (3) | comments 0

Bacteria don't have easy lives. In addition to mammalian immune systems that besiege the bugs, they have natural enemies called bacteriophages, viruses that kill half the bacteria on Earth every two days.


Fish food fight: Fish don't eat trees after all, says new study

Fish food fight: Fish don't eat trees after all, says new study

Biology / Ecology

created Nov 24, 2009 | popularity 4.5 / 5 (4) | comments 0

(PhysOrg.com) -- What constitutes fish food is a matter of debate. A high-profile study a few years ago suggested that fish get almost 50 percent of their carbon from trees and leaves, evidence for a very ...


Antarctic lake

Antarctic lake home to diverse community of viruses

Biology / Cell & Microbiology

created Nov 11, 2009 | popularity 4.9 / 5 (17) | comments 1

(PhysOrg.com) -- A study of the genetic structure of viruses in an Antarctic lake has revealed an astonishing genetic richness in the large number of viral families discovered.


Report Says Musicians Hear Better Than Non-Musicians

Report Says Musicians Hear Better Than Non-Musicians

Medicine & Health / Neuroscience

created Nov 17, 2009 | popularity 5 / 5 (1) | comments 0

(PhysOrg.com) -- The Journal of Neuroscience reports this week that musicians are better than non-musicians at recognizing speech in noisy environments.  The finding from a study conducted by neurobiologists at Nor ...


MIT MAV

Flying MAV Navigates Without GPS (w/ Video)

Technology / Engineering

created Nov 02, 2009 | popularity 4.7 / 5 (12) | comments 1

(PhysOrg.com) -- During the last several years, researchers have been building micro air vehicles (MAVs) that can autonomously fly through different environments by relying on GPS for navigation. Recently, ...


New brain findings on dyslexic children

Medicine & Health / Neuroscience

created Nov 11, 2009 | popularity 4.3 / 5 (10) | comments 0

The vast majority of school-aged children can focus on the voice of a teacher amid the cacophony of the typical classroom thanks to a brain that automatically focuses on relevant, predictable and repeating auditory information, ...


The benefits of stress ... in plants

Biology / Plants & Animals

created Nov 19, 2009 | popularity 5 / 5 (1) | comments 0

Chronic stress in humans has been implicated in heart disease, weight gain, and diabetes, among a host of other health problems. Extreme environments, a source of chronic stress, present a challenge even for the hardiest ...


5 exercises can reduce neck, shoulder pain of women office workers

Medicine & Health / Health

created Nov 18, 2009 | popularity 5 / 5 (1) | comments 0

Strength training exercises using dumbbells can reduce pain and improve function in the trapezius muscle, the large muscle which extends from the back of the head, down the neck and into the upper back. The exercises also ...


Comforted by carpet: How do floors and distance affect purchases?

Other Sciences / Social Sciences

created Nov 18, 2009 | popularity 1 / 5 (1) | comments 0

Consumers who stand on carpeted flooring feel comforted, but they judge products close to them to be less comforting, according to a new study in the Journal of Consumer Research.


Station Prepares For New Spacecraft, Monitors Debris

Station Prepares For New Spacecraft, Monitors Debris

Space & Earth / Space Exploration

created Nov 06, 2009 | popularity 5 / 5 (2) | comments 2

The station crew prepared Friday for the arrival of the Russian Mini-Research Module 2 (MRM2) which is scheduled for launch from the Baikonur Cosmodrome, Kazakhstan on Nov. 10. The MRM2 will arrive at the ...


Walking hazard: Cell-phone use -- but not music -- reduces pedestrian safety

Walking hazard: Cell-phone use -- but not music -- reduces pedestrian safety

Other Sciences / Social Sciences

created Nov 16, 2009 | popularity 4.5 / 5 (2) | comments 0

Two new studies of pedestrian safety found that using a cell phone while hoofing it can endanger one's health. Older pedestrians, in particular, are impaired when crossing a busy (simulated) street while speaking ...


Robot fish could monitor water quality

Robot fish could monitor water quality

Electronics / Robotics

created Nov 02, 2009 | popularity 4 / 5 (1) | comments 2

Nature inspires technology for an engineer and an ecologist teamed up at Michigan State University. They're developing robots that use advanced materials to swim like fish to probe underwater environments.


Discoveries in the Deep

Discoveries in the Deep

Space & Earth / Earth Sciences

created Nov 12, 2009 | popularity not rated yet | comments 0

Scientists from NASA and the Canadian Space Agency have been using Pavilion Lake as a testing ground for the future human exploration of other worlds.