To find alien life in our universe, scientists have considered searches for optical lasers or even giant energy-harvesting structures known as Dyson spheres. Now they’re suggesting a more mundane sort of search, a hunt for air pollution in exoplanet atmospheres. Source: https://earthsky.org/space/can-pollution-help-us-find-alien-life…
Tag: natural
Are Texas Blackouts a Warning About the Follow-on Effects of Climate Change?
This week in America, “continent-spanning winter storms triggered blackouts in Texas, Oklahoma, Mississippi and several other states,” reports the New York Times. But that was just the beginning… One-third of oil production in the nation was halted. Drinking-water systems in Ohio were knocked offline. Road networks nationwide were paralyzed and vaccination efforts in 20 states were disrupted. The crisis carries a…
Texas Was ‘Seconds and Minutes’ Away From Catastrophic Monthslong Blackouts, Officials Say
Texas’ power grid was “seconds and minutes” away from a catastrophic failure that could have left Texans in the dark for months, officials with the entity that operates the grid said yesterday. Texas Tribune reports: As millions of customers throughout the state begin to have power restored after days of massive blackouts, officials with the Electric Reliability Council of Texas, or…
LSD alters consciousness by breaking down barriers in the brain
Brain scans reveal that LSD may free the brain from its own natural barriers. Source: https://www.livescience.com/lsd-breaks-down-barriers-brain.html
Science explains why we kiss
Why does kissing feel good? Watch this video to learn why humans are drawn to puckering up. Source: https://earthsky.org/human-world/video-the-science-of-kissing…
A record deadly week for US avalanches in early February
2021 has brought a deadly avalanche season. “We’re only halfway through the season and we’re 3/4 of the way to the number of fatalities we’d see in a typical year. The dangerous, record-breaking year keeps avalanche forecasters up at night,” one expert said. Source: https://earthsky.org/human-world/avalanches-2021-united-states-how-to-survive…
Daniel’s inspiring story shows how learning new skills can benefit your own career as well as your community!
Meet Daniel, an undergraduate student at the University of Cape Coast, Ghana. He’s currently pursuing a bachelor of science in medical laboratory science, but as a passionate learner, he also has many other interests. Daniel came to Coursera to explore topics outside of his field of study such as IT, computer science, and more. Today, […]
The post Daniel’s inspiring story shows…
Solar and Wind Are Reaching for the Last 90% of the US Power Market
An anonymous reader shares a report: Three decades ago, the U.S. passed an infinitesimal milestone: solar and wind power generated one-tenth of one percent of the country’s electricity. It took 18 years, until 2008, for solar and wind to reach 1% of U.S. electricity. It took 12 years for solar and wind to increase by another factor of 10. In 2020,…
8-Year-Old Calls Out NPR For Lack Of Dinosaur Stories
An 8-year-old from Minneapolis recently pointed out a big problem with NPR’s oldest news show, All Things Considered. Leo Shidla wrote to his local NPR station: My name is Leo and I am 8 years old. I listen to All Things Considered in the car with mom. I listen a lot. I never hear much about nature or dinosaurs or things…
Mars atmosphere shedding charged particles onto Phobos?
New research suggests that particles escaping from Mars’ atmosphere have been accumulating on the surface of the planet’s largest moon Phobos for billions of years. They could provide important new details about the history of both worlds. Source: https://earthsky.org/space/mars-atmosphere-history-phobos-soil…