Researchers have independently confirmed, for the first time, the detection of methane on Mars. For fifteen years, various research groups have claimed to see traces of methane in Mars’ atmosphere. Intriguingly, these often appear as puffs of gas that appear and disappear over short timescales. Groups have hotly debated whether the methane might be evidence of life, or merely geologic processes. Other researchers have argued whether the methane truly exists at all, or if the detections are ...read more
Jack Daniel's Tennessee whiskey is one of many made using the famed Lincoln County Process, which takes its name from the area where Jack Daniel's was first made. (Credit: monticello/shutterstock)
Champagne is only champagne if it’s made in its namesake region in France, Scotch is exclusively distilled and matured in Scotland, and a “bourbon” label is reserved for products from the United States. And there’s one variation on the bourbon recipe — Tennessee Whiskey & ...read more
I'm a longtime fan of cosmic disaster scenarios. Not because I'm particularly gloomy (according to my friends and family, I'm actually more of a goof), but because they are fabulous ways to illustrate the workings of the universe. They are also great for making you appreciate the delicate set of contingencies that allow us to exist right now, right here on Earth. I wrote one of the first Armageddon-science articles, entitled "20 Ways the World Could End," which was published for the 20 ...read more
But the stop-gap measure, now before Congress, includes a provision that some regard as a major step backward
For the 40 million people who depend on water from the Colorado River Basin, including me, there’s no escaping this stark reality: Our thirst for water exceeds what’s actually available.
That’s mostly because rising temperatures are sapping moisture from the environment even as demand for water resources in the region is going up.
The result: a run on the banks &mda ...read more
Dickinson, Janis L. & Bonney, Rick. (eds). Citizen Science: Public Participation in Environmental Research. Cornell University Press, 2012. 279 pages. Paperback $US 29.95.
Though it was published in 2012, Citizen Science: Public Participation in Environmental Research is relevant to our present moment. As discussions of environmental research increase in frequency and urgency, institutions at all levels will continue to raise questions about the public’s scientific liter ...read more