Scientists have wondered for years how legumes such as soybeans, whose roots host nitrogen-fixing bacteria that produce essential plant nutrients out of thin air, are able to recognize these bacteria as both friendly and distinct from their own cells, and how the host plant's specialized proteins find the bacteria and use the nutritional windfall.
Soil frost is a nearly universal process in the Arctic. In a recent dissertation by doctoral student Marina Becher at Umeå University, it is shown that the frequency and extent of soil frost is important for the release of the greenhouse gas carbon dioxide from arctic soil.
Soapbox Science is a novel public outreach platform for promoting women scientists and the science they do. The events transform public areas into an arena for public learning and scientific debate; they follow the format of London Hyde Park’s Speaker’s Corner, which is historically an arena for public debate.
The International Union of Soil Sciences Secretariat was sad to learn that our distinguished colleague Nyle C Brady passed away on 24 November 2015 at the age of 95.
We walk on it every day. Get it under our fingernails. Track it into the house. But do we really appreciate the vital role soil plays—not just in the environment, but in human health?