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Toxic mercury, accumulating in the Arctic, springs from a hidden source
Environmental scientists at Harvard have discovered that the Arctic accumulation of mercury, a toxic element, is caused by both atmospheric forces and the flow of circumpolar rivers that carry the element north into the Arctic Ocean. (2012-05-21)

In search of more polymers for medical purposes
Ainhoa Lejardi, a materials engineer at the University of the Basque Country (UPV/EHU), has taken a step forward in the development of new polymer materials. (2012-04-11)

A new pipewort species from a unique, but fragile habitat in India
The foot hills of the Western Ghats are a remarkable habitat. Formed of Laterite (a hard rock) outcrops, they are a barren land during summer. (2012-03-21)

Survival of the Fittest - European Science Foundation hosts session on the Challenges of Life in Extreme Environments
Have you ever wondered how life is sustained in environments like deserts, deep seas or the polar regions? How do organisms adapt and thrive in such harsh conditions, and what challenges do they face as a result of human activities and climate change, especially climate "extremization"? (2012-03-19)

Cancer epigenetics: breakthrough in ID'ing target genes
Cancer is usually attributed to faulty genes, but growing evidence from the field of cancer epigenetics indicates a key role for the gene "silencing" proteins that stably turn genes off inside the cell nucleus. (2012-03-14)

Scientists detect seismic signals from tornado
An Indiana University geophysical experiment detected unusual seismic signals associated with tornadoes that struck regions across the Midwest last week -- information that may have value for meteorologists studying the atmospheric activity that precedes tornado disasters. (2012-03-08)

EARTH: Undressing Vesta
Since last July, NASA's Dawn spacecraft has been orbiting the asteroid Vesta, and capturing images and other data that are providing surprising results to the delight and amazement of researchers. (2012-03-07)

Finding your friends and following them to where you are
A man-or person-is known by the company he keeps. That old proverb takes on new meaning in the 21st century. (2012-03-07)

Studies show exposure to diesel exhaust may increase lung cancer mortality
Heavy diesel exhaust (DE) exposure in humans may increase the risk of dying from lung cancer, according to two papers released March 2nd by the Journal of the National Cancer Institute. (2012-03-05)

AGU: Oil sands pollution comparable to a large power plant
It takes a lot of energy to extract heavy, viscous and valuable bitumen from Canada's oil sands and refine it into crude oil. Companies mine some of the sands with multi-story excavators, separate out the bitumen, and process it further to ease the flow of the crude oil down pipelines. (2012-02-23)