How human sperm really swim: New research challenges centuries-old assumption

The sperm tail moves very rapidly in 3D, not from side-to-side in 2D as it was believed. Credit: polymaths-lab.com A breakthrough in fertility science by researchers from Bristol and Mexico has shattered the universally accepted ....

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Nanoparticle meta-grid for enhanced light extraction from light-emitting devices

Schematics of the classical and modified light-emitting diode (LED) device (not to scale). a Cross-sectional cartoon of a standard LED (including its electrical contacts), where an epoxy lens/casing encapsulates the semiconductor LED chip. Light emitted ....

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NASA’s Webb Telescope will study Jupiter, its rings, and two intriguing moons

Cyclone storms encircle Jupiter's North Pole, captured in infrared light by NASA's Juno spacecraft. Credit: NASA/JPL-Caltech/SwRI/ASI/INAF/JIRAM Jupiter, named for the king of the ancient Roman gods, commands its own mini-version of our solar system of ....

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Way, shape and form: Synthesis conditions define the nanostructure of manganese dioxide

Acceleration of the chemical reaction by β-MnO2 catalyst in the nanospace of the particles. Credit: Keiko Kamata, Tokyo Institute of Technology Scientists at Tokyo Institute of Technology explore a novel and simplistic method to synthesize ....

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Mice need kinetochores rich in a microtubule crosslinker to achieve error-free oocyte division

Figure 1: Kinetochores (magenta spots) rich in Prc1 (green spots) in mouse oocytes taken 1 hour (left) and 3 hours (right) after preparation (microtubules are grey and chromosomes are blue). RIKEN researchers have found that ....

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