Annual growth rings in trees tell us more than climate history; they can also document the rise and fall of human industrial activities.
metals
Road Dust: A Health Hazard Hidden in Plain Sight
Legacy heavy metals from past industrial activity combine with traffic paint; asphalt; and bits of tires, brakes, and car parts to create toxic dust on our roadways.
Ultrahot Exoplanet Bleeds Heavy Metals into Space
The planet is also shaped like a football (the American kind).
Big Data Help Paint a New Picture of Trace Element Cycling
A new framework for understanding the suite of processes acting on marine particulate trace metals exemplifies how alternative analyses can maximize the information that large data sets provide.
Why Trace Metals Cling to the Ocean’s Skin
Metals within the millimeter-thick sea surface microlayer may impact ocean health and climate.
Natural Resource Exploitation Could Reach New Depths
The deep seafloor could provide humans with supplies of valuable metals, but opinion is divided as to whether sustainable exploitation is possible and worth the ecological and economic risk.
New Reactive Barrier May Protect Groundwater from Mine Waste
Researchers are developing a porous concrete filter to pull harmful dissolved metals out of water.