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Phys.org / The dying sun could tear the solar system apart sooner than thought
The fate of our solar system is written in the stars—well, one star to be precise: the sun. Estimates of what the end will look like once the sun sheds much of its mass and ultimately dies vary widely. New research published ...
Phys.org / Spiny dogfish blood contains a hormone long thought absent in sharks
Cortisol is a hormone that helps humans and many other animals regulate their energy use and respond to changing conditions. For a long time, sharks and rays were believed to rely on a different steroid hormone for these ...
Phys.org / Alternative gravity theory offers possible explanation for dark energy changing over time
For many years, the simplest view of dark energy has been that it remains unchanged. Throughout cosmic history, the mysterious ingredient believed to drive the universe's accelerated expansion is thought to have behaved in ...
Phys.org / Gravity and quantum information linked through a derivation of Einstein's equations
Recent research shows that gravity and quantum information are deeply connected and that the shape of spacetime can be traced back to the way information is stored in quantum fields.
Phys.org / Thwaites Glacier could contribute twice as much sea-level rise as previously projected
A new ice sheet model developed by glaciologists at the University of California, Irvine and NASA's Jet Propulsion Laboratory projects that the melting of Thwaites Glacier in West Antarctica will contribute up to 30 millimeters ...
Phys.org / Duct tape kept out more floodwater than sandbags in laboratory tests
Could a cheap roll of duct tape help protect your home from flooding? New research suggests it could make a surprisingly big difference.
Phys.org / Astronomer leads global team on NASA mission to create unprecedented view of the early universe
A University of Missouri astronomer is leading a team of 130 researchers from 62 institutions—including NASA, the California Institute of Technology, Princeton University and Harvard University—on an ambitious mission to ...
Medical Xpress / Tiny brain structure anticipates what we are about to see or feel, study finds
The human brain is constantly taking in information about the world through sight, touch, hearing and the other senses. Influential theories in neuroscience and psychology suggest that it also anticipates incoming sensory ...
Phys.org / Judging strangers' preferences may actually be easier when they're less like our own
Researchers already know that humans have a tendency to use egocentric anchoring—a cognitive bias in which people use their own preferences, beliefs and perspectives as a mental starting point (or anchor) to understand or ...
Phys.org / Quantum sensor could measure how Earth drags spacetime
Einstein's theory of general relativity describes gravity as the bending of spacetime, a mathematical model that combines three-dimensional space and time into a single, four-dimensional continuum. The theory also predicts ...
Phys.org / AI designs working molecular scissors that recognize and cut selected protein targets
Proteases are naturally occurring enzymes that break down proteins into peptides and even single amino acids. They are useful in medicine and industrial processes, where they clean tissue, digest waste and help in the manufacture ...
Phys.org / A trip to Mars could come at a heartbreaking cost
When astronauts first travel to Mars or anywhere else in deep space, they will have to contend with two problems that our planet protects us from on its surface—radiation and weightlessness. Scientists already know both can ...
