Does Statin Use for Cholesterol Control Cause Cognitive Decline, Dementia?
Observational study adds to growing evidence that statin therapy is not associated with cognitive decline and dementia in older adults, but randomized trials are still…
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Sperm Evolution Becomes Supercharged Only When They Swim Inside Females
Sperm size varies dramatically among different animal species. But why is sperm size so variable when they share the same job — to fertilize eggs?…
Teams Engineer Complex Human Vascular Tissues – Win Top Prizes in NASA Challenge
Two teams of scientists from the Wake Forest Institute for Regenerative Medicine (WFIRM) in Winston-Salem, North Carolina, have won first and second place in NASA’s…
Earth’s Meteorite Impacts Tracked Over Past 500 Million Years
For the first time, a unique study conducted at Lund University in Sweden has tracked the meteorite flux to Earth over the past 500 million…
New Space Telescope – GEOStare2 – Goes Into Orbit
Thousands of images of Earth and space have been taken by a compact space imaging payload developed by Lawrence Livermore National Laboratory (LLNL) researchers and…
Light in Darkness: Experiment Recreates Paleolithic Cave Lighting
A recreation of three common types of Paleolithic lighting systems (torches, grease lamps, and fireplaces) illuminates how Paleolithic cave dwellers might have traveled, lived, and…
ISS Astronauts Complete First Roll-Out Solar Array Installation During 6+ Hour Spacewalk
NASA astronaut Shane Kimbrough and ESA (European Space Agency) astronaut Thomas Pesquet concluded their spacewalk at 2:10 p.m. EDT, after 6 hours and 28 minutes. In the eighth spacewalk…
Clash of the Titans: Hubble Spots a Cataclysmic Cosmic Collision
A cataclysmic cosmic collision takes center stage in this Hubble Picture of the Week. The image features the interacting galaxy pair IC 1623, which lies…
Rare but Possible: COVID-19-Related Multisystem Inflammatory Syndrome in Adults
In rare cases, adults who have recovered from COVID-19 may develop multisystem inflammatory syndrome, and clinicians should consider this possibility in adults with specific symptoms,…
Smaller Bodies, Longer Wings, Earlier Migrations: Untangling the Multiple Impacts of Climate Warming on Birds
When a University of Michigan-led research team reported last year that North American migratory birds have been getting smaller over the past four decades and…
Anti-aging Protein in Red Blood Cells Helps Prevent Mental Decline, Poor Memory and Hearing Deficits
Mice lacking ADORA2B in their blood exhibit accelerated aging, including poor memory and hearing deficits. Research conducted by Qiang et al has discovered a link…
Mechanistic Link Between Red Meat Consumption and Development of Colorectal Cancer
Red meat consumption may promote DNA damage-associated mutations in patients with colorectal cancer. Genetic mutations indicative of DNA damage were associated with high red meat…
The Earth Has a Pulse: 27.5-Million-Year Cycle of Geological Activity Discovered
Analysis of 260 million years of major geological events finds recurring clusters 27.5 million years apart. Geologic activity on Earth appears to follow a 27.5-million-year…
Probiotic Protection? Gut Bacteria Discovered That Protects the Intestine From Invasion of the COVID-19 Virus
Researchers from Yonsei University in South Korea have found that certain commensal bacteria that reside in the human intestine produce compounds that inhibit SARS-CoV-2. The…
Potential Causes of Increased Transmission in COVID-19 Variants
Patients with B.1.1.7 (Alpha variant/UK) and B.1.351 (Beta variant/South Africa) less likely to be asymptomatic, despite no increase in viral load. Although two SARS-CoV-2 variants…
NASA Picturing Earth: Behind the Scenes [Video]
From their perch on the International Space Station, astronauts have spent twenty years sharing a story about Earth as they can see it from above….
Astrophysicists Solve a Mysterious Decades-Long Gamma-Ray Burst Puzzle
Astrophysicists from the University of Bath in the UK find the magnetic field in gamma-ray bursts is scrambled after the ejected material crashes into, and…
NASA Struggles to Fix Failure of Hubble Space Telescope’s 1980s Computer
NASA continues to work on resolving an issue with the payload computer on the Hubble Space Telescope. The operations team will be running tests and…