915 records found. Displaying 169 - 192.
3D printing was once only known through science fiction, such as Star Trek, the popular 1960s TV series. But inventors and engineers on Earth began experimenting in real life with 3D printing… Read More →
Drug overdosing and death from prescription painkillers and heroin are at epidemic levels in the United States. How do people become addicted to opioids and other dangerous drugs, and why?… Read More →
In 2011 a computer named Watson outscored two human competitors on the TV quiz show Jeopardy! and snagged the million-dollar prize. Watson isn't the only machine keeping up with humans. The… Read More →
In 2015 two powerful telescopes detected something physicists had been seeking for more than one hundred years—gravitational waves from the collision of two black holes. This announcement… Read More →
Most scientists agree that Earth is warming rapidly. Glaciers are melting and rising seawaters are submerging islands and coastal cities. In the coming decades, millions will likely have to… Read More →
On a global scale, humans create around 2.6 trillion pounds of waste every year. None of this trash is harmless—landfills and dumps leak toxic chemicals into soil and groundwater, while… Read More →
Decades of commercial whaling nearly decimated a variety of whales considered a keystone species. Keystone species are indicators of the overall health of Earth's habitats. While whales have… Read More →