Brazilian mining giant Vale said Friday that small amounts of arsenic and other potential poisons have been detected in a river polluted by an iron ore mine accident, but that the mining companies are not to blame.
Mining giants responsible for a dam spill in Brazil earlier this month rejected Thursday accusations by the United Nations that the deadly flood of water and mud was highly toxic.
If you add quantum dots - nanocrystals 10,000 times smaller than the width of a human hair - to a smartphone battery it will charge in 30 seconds, but the effect only lasts for a few recharge cycles.
Miniaturization is the magic word when it comes to nanomagnetic devices intended for use in new types of electronic components. Scientists from the Helmholtz-Zentrum Dresden-Rossendorf (HZDR) have proposed the use of ion ...
A torrent of mud unleashed by a dam burst at an iron ore mine in southeastern Brazil is contaminating the Atlantic Ocean.
Weather patterns in a mysterious world beyond our solar system have been revealed for the first time, a study suggests.
Brazilian authorities declared a state of emergency Tuesday in more than 200 towns affected by a deadly mining waste spill.
Dust begets life, and Earth's atmosphere 300 million years ago was perhaps the dustiest of all time, with large consequences for carbon cycling and the climate system. In a new paper for Geology, Sohini Sur and colleagues ...