Robert Blackwell, an internet-of-things engineer, says his idea to rig your toilet up to the internet could keep raw sewage out of Pittsburgh's Three Rivers.
You might be afraid of spiders, but not all of them are aggressive. In fact, many live in cooperative social groups that aren't all that different from human societies.
A robotics professor at Carnegie Mellon University is using smart traffic signals to reduce traffic jams—and vehicle emissions.
Despite recent improvements, coke plants remain some of the region's top polluters—and a top priority for environmental regulators.
In August, an amateur shipwreck hunter discovered what's likely the wreckage of an oil tanker barge that went down in 1937. And it may still be leaking crude into Lake Erie.
At a mere seven inches in height, the northern saw-whet ranks as the smallest owl in the eastern United States. But as a predator, it packs a much bigger punch.