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Statins linked to lower rates of breast cancer and mortality
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New research suggests that statins are associated with lower rates of breast cancer and subsequent mortality. Credit: © designer491 / Fotolia A 14 year study in more than one million people has found that women with high cholesterol have significantly lower rates of breast cancer and improved mortality. The research, presented today at ESC Congress, ... sciencebulletin.org/archive...
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How Himalayan rivers influenced ancient Indus civilization settlements
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Remnant of a street in the urban centre of Kalibangan. The Ghaggar-Hakra palaeochannel can be seen in the distance. Credit: S. Gupta (Imperial College London) The Indus or Harappan Civilisation was a Bronze Age society that developed mainly in the northwestern regions of South Asia from 5300 to 3300 years ago, at about the same ... sciencebulletin.org/archive...
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Copper catalyst yields high efficiency CO2-to-fuels conversion
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Schematic of a new catalyst made of copper nanoparticles that converts carbon dioxide to multicarbon products (ethylene, ethanol, and propanol). At top left are transmission electron microscope images of the copper nanoparticles. The transformation of the nanoparticles from spheres to cube-like structures is key to keeping the energy input low for the reactions. Credit: Dohyung ... sciencebulletin.org/archive...
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Culture affects how people deceive others, study shows
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People’s language changes when they lie depending on their cultural background. Credit: © zimmytws / Fotolia Psychologists have discovered that people’s language changes when they lie depending on their cultural background. Professor Paul Taylor of Lancaster University in the UK said: “Science has long known that people’s use of language changes when they lie. Our ... sciencebulletin.org/archive...
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Mysterious deep-Earth seismic signature explained
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The movement of seismic waves through the material of the mantle allows scientists to image Earth’s interior, just as a medical ultrasound allows technicians to look inside a blood vessel. Image is courtesy of Edward Garnero and Allen McNamara’s 2008 Science paper Structure and Dynamics of Earth’s Lower Mantle, provided with Garnero’s permission. Credit: Edward ... sciencebulletin.org/archive...
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Brain region that motivates behavior change discovered
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What causes people to break from a routine? Credit: © Sergey Nivens / Fotolia Have you ever been stuck in a rut, going through the same motions day in and day out? How do you motivate to change your behavior? Researchers from the University of Pennsylvania, Yale University, Columbia University and Duke University now better ... sciencebulletin.org/archive...
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Status profiling: Research suggests simply wearing a police uniform changes the way the brain processes information
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A photo of a police-style uniform worn by study participants. Credit: McMaster University New research from a team of cognitive neuroscientists at McMaster University suggests that simply putting on a uniform, similar to one the police might wear, automatically affects how we perceive others, creating a bias towards those considered to be of a low ... sciencebulletin.org/archive...
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Clay minerals on Mars may have formed in primordial steam bath
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Mars may have been enveloped in a thick, steamy atmosphere as the planet’s crust cooled and solidified. That steam bath could have created many of the clay mineral deposits that have long been attributed to water flow on or just beneath the surface. Credit: Courtesy of Kevin Cannon Planetary scientists from Brown University have proposed ... sciencebulletin.org/archive...
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Space dust may transport life between worlds, research suggests
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Some of the coldest and darkest dust in space shines brightly in this infrared image from the Herschel Observatory. Credit: ESA/NASA/JPL-Caltech Life on our planet might have originated from biological particles brought to Earth in streams of space dust, a study suggests. Fast-moving flows of interplanetary dust that continually bombard our planet’s atmosphere could deliver ... sciencebulletin.org/archive...
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Inflammation trains the skin to heal faster
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Stem cells (green) migrate into a three-day-old wound to repair it. Credit: Laboratory of Mammalian Cell Biology and Development/The Rockefeller University Scars may fade, but the skin remembers. New research from The Rockefeller University reveals that wounds or other harmful, inflammation-provoking experiences impart long-lasting memories to stem cells residing in the skin, teaching them to ... sciencebulletin.org/archive...