The Math That Traces Hidden Fluid Paths Through the Brain
Mathematics and MRI team up to infer how tracer may move through brain tissue, while revealing why hidden flow remains uncertain.
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Optical Clocks Are Turning Tiny Time Shifts Into Earth Maps
Optical clocks can map Earth’s gravitational landscape by comparing how atoms tick at distant locations—revealing a new route to precision geodesy.
A Flock Can Stay Together by Turning Away—and Looking Ahead
Two computer models reveal how chemical turning or anticipation might keep a flock cohesive without a simple attractive pull.