How an effort to reduce fossil fuel use led to another environmental problem: Light pollution

Credit: Unsplash/CC0 Public Domain In 2014, Los Angeles cut its annual carbon emissions by 43% and saved $9 million in energy costs by replacing the bulbs in more than half of the city’s street lamps with light-emitting diodes. That year, the Nobel Prize in physics went to three scientists whose work made those LEDs possible. … Read more

Cosmonaut Anatoly Filipchenko, who led two docking flight tests, dies at 94

Soviet-era cosmonaut Anatoly Filipchenko, who launched on two docking tests, first for a possible Russian moon landing and then the first joint flight with the United States, has died at the age of 94. Filipchenko’s death on Sunday (opens in new tab) (Aug. 7) was reported by Roscosmos, Russia’s federal space corporation, and by the … Read more

Increased use of videoconferencing apps during the pandemic led to more fatigue among workers

Credit: Unsplash/CC0 Public Domain Researchers at Nanyang Technological University, Singapore (NTU Singapore) have found that the increased use of videoconferencing platforms during the COVID-19 pandemic contributed to a higher level of fatigue, as reported by workers. Following work-from-home orders issued by governments worldwide during the pandemic, many employees attended meetings virtually using technologies such as … Read more

Rampant wildfires once led to global mass extinction, scientists say. Can it happen again?

Credit: Unsplash/CC0 Public Domain A long time ago, the carbon was rock, buried in the earth as securely as a secret. Then an environmental catastrophe of scale began. The burned rocks, and the atoms inside them disassembled into carbon dioxide and other greenhouse gases. Temperatures rose and wildfire—always a natural part of the ecosystem—became more … Read more