April 14, 2021
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NASA could fly its Ingenuity helicopter on Mars' surface next week after a recent delay due to a flight-control software glitch. "We are confident in the team's ability to work through this challenge and prepare for Ingenuity's historic first controlled, powered flight on another planet," NASA officials said.
Full Story: Space (4/13) 
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Science in the News
A probe underneath Antarctica's Thwaites Glacier has revealed the glacier is less stable than previously believed, according to findings reported in Science Advances. An autonomous underwater vehicle gathered information about the water temperature, salinity and other data to help scientists assess the glacier's future stability.
Full Story: Gizmodo (4/9) 
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Scientists have long believed that human brains are hard-wired to quickly detect threats, but a new study published in PLOS Biology suggests our brains recognize screams of joy more easily than fearful screams. The researchers used acoustic analysis to fMRI to understand how we process different screams.
Full Story: Science News (4/13) 
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Fossilized footprints dating back approximately 100,000 years belonged to a group of Neanderthals, including children running and jumping in the sand of a beach in modern-day southern Spain, a study in Scientific Reports suggests. "We have found some areas where several small footprints appeared grouped in a chaotic arrangement," suggesting play, said study author Eduardo Mayoral.
Full Story: LiveScience (4/13) 
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New research supports anecdotal evidence that dogs act jealously around their owners in the presence of a perceived rival. Dogs in an experiment exhibited jealous behavior only when their owner interacted with a perceived social rival, as a consequence of that interaction, and even if the interaction between the owner and perceived rival was out of the dog's sight, researchers reported in Psychological Science.
Full Story: ScienceAlert (Australia) (4/10) 
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The B.1.1.7 variant first detected in the UK is not associated with increased risk of COVID-19 death or severe illness, according to a study in The Lancet Infectious Diseases. The research, based on data from 341 COVID-19 cases at two London hospitals between Nov. 9 and Dec. 20, found higher viral loads in patients infected by the B.1.1.7 variant, which could explain why the variant appears to be more transmissible, researchers said.
Full Story: NBC News (4/12) 
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A study published in the journal Neurology found 7.4% of adults with vision and hearing loss developed dementia over a six-year period, compared with 2.9% of those with just one impairment and 1.8% of those with no impairments. The study included more than 6,500 adults age 58 to 101 who were assessed for vision and hearing loss.
Full Story: United Press International (4/7) 
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Funding Watch
The NIH has awarded a $10.6 million grant to Clemson University for the initial five-year phase of the Center of Biomedical Research Excellence in Human Genetics, which will expand researchers' studies into the genetics of diseases. The university is working alongside Greenwood Genetic Center to advance its research.
Full Story: Greenville Journal (S.C.) (4/13) 
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Sigma Xi News
Join us this November in Niagara Falls, New York for Sigma Xi's 2021 Annual Meeting and Student Research Conference. This year's theme is Roots to Fruits: Responsible Research for a Flourishing Humanity - How scientific virtues serve society. The conference is open to both members and non-members. Register today!
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Sigma Xi's Board of Directors has four vacancies to be filled during the November 2021 election. You have the opportunity to help guide the future of the Society by nominating yourself or someone else to join the leadership of Sigma Xi. Learn more.
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