News tagged with polluted water

Mercury in dolphins: Study compares toxin levels in captive and wild sea mammals

Amid growing concerns about the spread of harmful mercury in plants and animals, a new study by researchers from The Johns Hopkins University and The National Aquarium has compared levels of the chemical in ...

Biology / Ecology

created May 21, 2012 | popularity 3.3 / 5 (4) | comments 0

Researchers get new view of how water and sulfur dioxide mix

High in the sky, water in clouds can act as a temptress to lure airborne pollutants such as sulfur dioxide into reactive aqueous particulates. Although this behavior is not incorporated into today's climate-modeling ...

Chemistry / Materials Science

created May 09, 2011 | popularity not rated yet | comments 2 | with audio podcast

Animal with the most genes? A tiny crustacean: First crustacean genome sequenced

Complexity ever in the eye of its beholders, the animal with the most genes -- about 31,000 -- is the near-microscopic freshwater crustacean Daphnia pulex, or water flea. By comparison, humans have about ...

Biology / Biotechnology

created Feb 03, 2011 | popularity 5 / 5 (16) | comments 22 | with audio podcast

Study confirms oil from Deepwater Horizon disaster entered food chain in the Gulf of Mexico

Since the explosion on the BP Deepwater Horizon drilling rig in the Gulf of Mexico on April 20, 2010, scientists have been working to understand the impact that this disaster has had on the environment. For ...

Space & Earth / Environment

created Mar 20, 2012 | popularity 4.2 / 5 (13) | comments 2 | with audio podcast

Paper strips can quickly detect toxin in drinking water

(PhysOrg.com) -- A strip of paper infused with carbon nanotubes can quickly and inexpensively detect a toxin produced by algae in drinking water. Engineers at the University of Michigan led the development of the new biosensor.

Nanotechnology / Bio & Medicine

created Jan 08, 2010 | popularity 5 / 5 (6) | comments 0 | with audio podcast

Inspired by steel, nanomanufacturing gets wear-resistant carbide tip

(PhysOrg.com) -- Scientists at the University of Pennsylvania, the University of Wisconsin-Madison and IBM Research - Zurich have fabricated an ultrasharp silicon carbide tip possessing such high strength ...

Nanotechnology / Nanophysics

created Feb 09, 2012 | popularity 5 / 5 (3) | comments 1 | with audio podcast

Rare Chinese white dolphin gets DNA bank

A Hong Kong conservation group said Saturday it has set up a DNA bank for the rare Chinese white dolphin, also known as the pink dolphin, in a bid to save the mammals facing a sharp population decline.

Biology / Ecology

created Jan 15, 2012 | popularity not rated yet | comments 1

Natural levels of nitrogen in tropical forests may increase vulnerability to pollution

(PhysOrg.com) -- Waterways in remote, pristine tropical forests located in the Caribbean and Central America contain levels of nitrogen comparable to amounts found in streams and rivers flowing through polluted forests in ...

Space & Earth / Environment

created Mar 06, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Spallation Neutron Source puts the squeeze on methane hydrate cages

(PhysOrg.com) -- Imagine a robot sent out on the prowl on this energy hungry planet looking for methane, the principal component of what we call "natural gas" and probably the most abundant organic compound ...

Chemistry / Materials Science

created Mar 15, 2012 | popularity 4.5 / 5 (4) | comments 0 | with audio podcast

Rare seahorses found in Thames

Evidence of a colony of rare seahorses has been discovered in the Thames, during a routine fisheries survey at Greenwich, the Environment Agency said on Friday.

Biology / Ecology

created Oct 07, 2011 | popularity 5 / 5 (3) | comments 1

One Sponge-Like Material, Three Different Applications

(PhysOrg.com) -- A new sponge-like material that is black, brittle and freeze-dried (just like the ice cream astronauts eat) can pull off some pretty impressive feats. Designed by Northwestern University chemists, it can ...

Chemistry / Materials Science

created May 26, 2009 | popularity 4.9 / 5 (9) | comments 3

Nitrate levels rising in northwestern Pacific ocean: study

Changes in the ratio of nitrate to phosphorus in the oceans off the coasts of Korea and Japan caused by atmospheric and riverine pollutants may influence the makeup of marine plants and influence marine ecology, according ...

Space & Earth / Environment

created Sep 22, 2011 | popularity 4.5 / 5 (4) | comments 1 | with audio podcast

Artificially controlling water condensation leads to 'room-temperature ice'

Earth's climate is strongly influenced by the presence of particles of different shapes and origins -- in the form of dust, ice and pollutants -- that find their way into the lowest portion of the atmosphere, the troposphere. ...

Physics / Condensed Matter

created Jul 27, 2010 | popularity 4.4 / 5 (16) | comments 7 | with audio podcast

New study ranks countries on environment impact

(PhysOrg.com) -- A new study led by the University of Adelaide’s Environment Institute has ranked most of the world’s countries for their environmental impact.

Space & Earth / Environment

created May 04, 2010 | popularity 4.5 / 5 (10) | comments 1 | with audio podcast

'Revolutionary' water treatment units on their way to Afghanistan

The United States Army has taken delivery of the first two units of a "revolutionary" waste-water treatment system that will clean putrid water within 24 hours and leave no toxic by-products, according to scientists at Sam ...

Technology / Engineering

created Feb 09, 2010 | popularity 4.5 / 5 (11) | comments 6 | with audio podcast