Writer Carl Zimmer became an "unintentional curator" of science-themed tattoos after noticing a double helix on a friend's arm. Sensing a trend, he asked his blog readers to send photos of their science tattoos. Some of those images are gathered in his new book Science Ink.
Across much of Colorado, Utah, Montana and northern California, the snowpack is at less than half the average. There are concerns the skimpy snowpack won't fill the reservoirs and rivers. Millions of people depend on melting snow for their drinking water and farms.
As the deadline for a decision on a controversial oil pipeline approaches, lobbying is intensifying. The Keystone XL pipeline would transport oil from Canada's tar sands to the Gulf Coast. President Obama is caught in the middle of a jobs-vs.-environment debate.
Canada's environmental organizations are working hard to block a proposed oil pipeline to its west coast. But the country's conservative-led government is pointing to American support and accusing those groups of being lackeys of nefarious foreign interests.
While carbon dioxide is indisputably a significant factor in the planet's changing climate, scientists and policy experts have faced major troubles in limiting production of the greenhouse gas. Now, some are focusing on other things that warm the planet, especially ozone and black carbon. And the tools to fight them are familiar.
Pennsylvania, Ohio and West Virginia are waiting to hear which state Shell Oil will pick to host a huge new chemical refinery. The project would turn ethane gas, produced through "fracking," into ethylene, which is used to make plastics. The venture could be the biggest investment in the region in decades.
When you give to WAMU, your tax-deductible membership gift helps make possible award-winning programs such as Morning Edition, All Things Considered, The Diane Rehm Show, The Kojo Nnamdi Show, and other favorites.