Friday 13 November
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A study in mice reveals that the blood-brain barrier selectively imports protective blood proteins, but this specialised transit system alters early in Alzheimer's disease.
By printing tiny diamond lattices on sacrificial pedestals and carefully baking them in two steps, researchers shrunk microscopic structures by 73 percent without warping, allowing them to reflect visible light.
A fresh analysis using an independent algorithm confirms that the ring around the supermassive black hole M87* is real, rather than a computer glitch.
Brain imaging reveals that valuation circuits automatically calculate facial attractiveness even when visual noise renders the faces invisible to conscious awareness.
Laboratory tests squeezing pure iron to extreme pressures show that the metal melts at lower temperatures than previously thought, suggesting heat alone could have powered ancient Earth's magnetic field.
Computer models project that climate change by 2100 will shrink viable living space for four Red Sea coral groups and push them into deeper, warmer waters.
