Pharmaceutical companies focus on small molecules they've devised – and can easily patent. But nature's already come up with many antibacterial compounds that drug designers could use to make medicines.
The Trump administration's push for 'energy dominance' could spur a new wave of domestic uranium production. A scholar describes the damage done in past uranium booms and the visible scars that remain.
Nuclear power provides 60 percent of US carbon-free electricity generation, but existing plants are aging and only one is under construction. Should government intervene to keep nuclear energy in the mix?
A judge in New York City just awarded graffiti artists US$6.7 million after a developer whitewashed their murals. On the surface, it seems like a huge victory for street artists. But could it backfire?
No new oil drilling has been approved since 1984 off the California coast, where a major spill in 1969 helped launch the environmental movement. Sixty-nine percent of Californians oppose offshore drilling today.