All Stories by Beth Mole
- Environment
Humans’ environmental rap sheet gets longer
Ice cores reveal human-caused air pollution 240 years before the Industrial Revolution.
- Environment
Funding canceled for clean coal plant
The Department of Energy has scrapped funding for FutureGen, a project to use new technology to sequester carbon dioxide emissions from a coal power plant.
- Environment
Funding canceled for clean coal plant
The Department of Energy has scrapped funding for FutureGen, a project to use new technology to sequester carbon dioxide emissions from a coal power plant.
- Materials Science
Oxygen sneaks into titanium, making it brittle
Oxygen atoms trigger defects in titanium’s atomic structure, making the metal brittle.
- Environment
Tuna mercury rising
From 1998 to 2008, mercury levels in Hawaiian Yellowfin tuna have increased by 3.8 percent per year, researchers suggest.
- Agriculture
Superbugs take flight from cattle farms
Winds can carry antibiotics and drug-resistant bacteria from cattle farms to downwind communities.
- Chemistry
Sodium and other alkali explosions finally explained
A high-speed camera snaps sharp details of how alkali metals explode in water — a classic, but until now, not fully explained chemical reaction.
- Environment
Atrazine’s path to cancer possibly clarified
Scientists have identified a cellular button that the controversial herbicide atrazine presses to promote tumor development.
- Climate
2014 was Earth’s warmest year on record
Record-hot 2014 marks the 38th consecutive year of temperatures above the 20th century’s average.
- Environment
More toxic chemicals found in oil and gas wastewater
High levels of ammonium and iodide found in wastewater from oil and gas exploration can harm aquatic life and form dangerous byproducts in tap water.
- Climate
Galápagos waters preview future for corals
Posthumous analysis of Galápagos coral reefs reveals how climate change, carbon dioxide and pollution could kill off reefs worldwide by 2050.
- Health & Medicine
‘AIDS’ gives inside view of science, politics of epidemic
In ‘AIDS Between Science and Politics,’ pioneering HIV expert Peter Piot discusses the factors and events that shaped the epidemic.
