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A rainbow reveals with colors what otherwise remains hidden: light is "refracted" by transparent matter, in this case water droplets. This same physical effect underlies many everyday technologies, like LCD screens and broadband ...

Scientists have developed a way to turn the body's own immune cells into cancer-fighting agents—without removing them from the body—by using red blood cells to deliver genetic instructions. Current CAR (chimeric antigen receptor) ...

The peopling of South America has long been debated, with various routes proposed for how they spread across the subcontinent. However, routes along the Atlantic coast were typically much younger than their Pacific counterparts, ...

Dogs have long been known to have smaller brains than the wolves they descended from. But when they started to shrink has been a matter of some debate. New research published in the journal Royal Society Open Science, which ...

Partial meniscectomy does not improve patient symptoms or function, reveals a 10-year follow-up of the FIDELITY, a placebo-surgery controlled trial published in the New England Journal of Medicine.

Depression is a debilitating mental health disorder characterized by persistent low mood, a loss of interest in everyday activities, repetitive negative thinking and possible changes in appetite and/or sleeping patterns. ...

For centuries, archaeologists debated the origins of Rome's exquisite mosaic-glass bowls. Now, chemical fingerprints in 101 ancient shards point to a surprising center of production: Italy, not Egypt. This discovery challenges ...

An international team of astronomers reports the discovery of a new supernova remnant (SNR) using radio observations. The newfound supernova remnant, dubbed Abeona, is one of the faintest radio SNRs so far detected. The discovery ...

Researchers have identified previously unknown materials, including a new form of a widely studied clean-energy material, by carefully controlling and tracking how molecular precursors break down during heating.

Most contemporary artificial intelligence (AI) systems learn to complete tasks via machine learning and deep learning. Machine learning is a computational approach that allows models to uncover patterns in data that are useful ...

While 84% of people prefer to type out a disagreement, new research involving 1,842 conversations reveals that the "safer" choice is actually fueling social friction. In an era of digital flame wars and rising political partisanship, ...

During the Sturtian glacial period during the Neoproterozoic Era, Earth underwent periods of global glaciation, which have been described as either "Snowball" and "Slushball" Earth scenarios. In Snowball Earth models, the ...