Purple microbial mats offer clues to how ancient life functioned.
How ancient microbes survived in a world without oxygen has been a mystery. Scientists discovered a living microbial mat that uses arsenic instead of oxygen for photosynthesis and respiration.
A new study shows high-fibre brown rice also contains more arsenic than white rice – so which is better for you?
Detail of book cover.
Wits University Press
The long history of racist beauty standards alone cannot explain the ongoing global use of harmful skin lighteners.
The red tip on these matches contains phosphorus, which ignites when in contact with oxygen.
The elements that make up each column of the periodic table share a set of common traits. Here, a chemist describes group 15 and the crucial role phosphorus, in particular, plays in cancer.
Researchers collect samples from the abandoned tailings that flow into Long Lake, near Sudbury, Ont.
Bankrupt oil and gas companies must clean up old wells, yet taxpayers are still stuck with the bill for abandoned mines.
Interdisciplinary research led to the discovery that three historic books were covered in a layer of arsenic.
Snowshoe hares near the now closed Giant Mine outside of Yellowknife, N.W.T show signs of arsenic contamination.
Historical gold mining at the Giant Mine near Yellowknife, N.W.T. released toxic arsenic into the environment. Snowshoe hares are showing signs of poisoning.
Terrible by name … Phyllobates terribilis.
Don't forget to wash your hands.
Despite the noble intentions behind charity wells, they may not be the best thing.
The digging of wells in Africa has often been thought of as the solution to helping rural women walking to get water, but they may cause more harm than good.
Environmental chemicals are found in a range of common household products.
Water bottles via www.shutterstock.com.
Chemicals in a wide array of consumer products have been linked to conditions affecting physical, cognitive and emotional health.
How much of the harmful arsenic does it have?
rice via www shutterstock com
Tests have shown that arsenic in rice often exceeds recommended daily levels, yet there are no in-food arsenic safety standards. Why not?
Puffed with a bit of poison.
Rice cake by Shutterstock
There are two sides to rice: the grain that feeds half the world – and the primary carcinogenic source of inorganic arsenic in our diet. Arsenic is a natural occurring element that is ubiquitous in the…
Mount Isa exceeded the national one-hour standard for sulfur dioxide emissions 49 times in 2012.
Children in the mining towns of Mount Isa in Queensland and Port Pirie in South Australia are exposed to harmful levels of pollutants that increase their risk of learning and developmental disorders, and…
A new type of water filter being developed at the University of South Australia could potentially clean deadly arsenic out…
Low-dose exposure to arsenic from drinking water in the womb can cause problems in lung development which may increase the…