Our solar system was shaped by massive collisions between rocky bodies. Observations of a similar accident provide information about how common such crashes occur near other stars.
During the last half-century, the everyday life of humans has been drastically changed for the better due to the billions of tons of plastic items manufactured in the “Plastic Age.” However, the plastic waste that has penetrated the environment is presenting new issues for nature.
Perovskite solar cells exhibit great potential for enhanced energy-conversion efficiency; however, they degrade in sunlight, causing their performance to deteriorate over time.
Over the past 20 years, the maps of the American West have presented ever darker hues of red. The colors show the unparalleled drought ruining the region.