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Chemical analyses showed an individual mammoth made an epic journey across Alaska Credit: Beth Zaiken Advertisement Mammoths are among the best-known inhabitants of the last ice age. Fossils usually offer a static snapshot of an animal’s life, but researchers recently used one to track every place a male mammoth traveled from birth to death. By … Read more
In the middle of his landmark book On the Origin of Species, Darwin had a crisis of faith. In a bout of honesty, he wrote, “To suppose that the eye with all its inimitable contrivances for adjusting the focus to different distances, for admitting different amounts of light, and for the correction of spherical and … Read more
This article was originally published at The Conversation. The publication contributed the article to Space.com’s Expert Voices: Op-Ed & Insights. Hal Drakesmith, Professor of Iron Biology, University of Oxford Jon Wade, Associate Professor of Planetary Materials, University of Oxford Our red blood is full of iron. We need iron for growth and for immunity. It is even added … Read more
Female beet armyworms with a deleted gene don’t produce sex pheromones, which could be exploited as a way to control numbers of this agricultural pest Life 11 December 2021 By Gary Hartley The beet armyworm is a destructive crop pest Nigel Cattlin / naturepl.com Deleting a gene linked to the production of sex pheromones in … Read more
Oil and gas extraction can trigger small, slow-moving, longer-lasting earthquake tremors, which scientists have documented in Canadian fracking fields for the first time. A team of researchers from the Geological Survey of Canada documented a new type of earthquake event resulting from slow ruptures near an active gas well. This helps to explain how near-imperceptible … Read more
Emotional, non-rational, even explosive remarks in public discourse have escalated in recent years. Politicians endure insults during legislative discussions; scientists receive emails and tweets containing verbal abuse and threats. What’s going on? This escalation in angry rhetoric is sometimes attributed to social media. But are there other influences altering communication styles? As researchers in … Read more
Good Morning America co-host Michael Strahan will be taking a small piece of his former life to space on Saturday (Dec. 11). Strahan, who played in the NFL from 1993 to 2007, will tote a football on his suborbital jaunt with Jeff Bezos’ spaceflight company Blue Origin, which is scheduled to lift off from West … Read more
After a record-breaking number of commercial spaceflyers in 2021, the Federal Aviation Administration (FAA) plans to end its commercial astronaut wings program. The FAA made the decision to do this after noting “the number of people launching to space [will] increase dramatically in the coming years,” the agency said in a statement Friday (Dec. 10). … Read more
“An original Shepard will fly on the New Shepard.” Laura Shepard Churchley, the daughter of the first American in space, will embark on her own journey to space on board #NewShepard on December 9. pic.twitter.com/vQfzTKo1zeNovember 23, 2021 See more The daughter of NASA astronaut Alan Shepard can’t wait to go to space, just like her … Read more
A new discovery has deepened the mystery of galaxies without dark matter. In a galaxy named AGC 114905, 250 million light-years away, astronomers could find no trace of the mysterious stuff, even after 40 hours of detailed observation and subsequent analysis. The result, to be published in the Monthly Notices of the Royal Astronomical … Read more