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Cutting-edge news & reports from PNAS, one of the world's most-cited scientific journals, sibling journal of @PNASNexus & an official journal of @theNASciences.

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Researchers tracked individual diatoms—unicellular photosynthetic microalgae with rigid silica cell walls—as they glided along a surface using mobile adhesive strands that protrude through slits in their cell walls, known as raphes. In PNAS:

Researchers tracked individual diatoms—unicellular photosynthetic microalgae with rigid silica cell walls—as they glided along a surface using mobile adhesive strands that protrude through slits in their cell walls, known as raphes. In PNAS:

14,462 görüntüleme

Researchers grew rat neurons on a force sensor, which allowed them to discover that neurons develop tension after forming connections with other neurons, resulting in a contractile neural network. Without this contractility, neurons fail to fire. In PNAS:

Researchers grew rat neurons on a force sensor, which allowed them to discover that neurons develop tension after forming connections with other neurons, resulting in a contractile neural network. Without this contractility, neurons fail to fire. In PNAS:

48,788 görüntüleme

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One might think a raindrop could do serious damage to a tiny water strider. But a study shows that their low-density, hydrophobic exoskeletons allow them to surf jets and craters made by drops—or easily resurface if pushed underwater. In PNAS:

One might think a raindrop could do serious damage to a tiny water strider. But a study shows that their low-density, hydrophobic exoskeletons allow them to surf jets and craters made by drops—or easily resurface if pushed underwater. In PNAS:

57,277 görüntüleme • 2 yıl önce

A study explores how wet foams “coarsen” in #microgravity, as many small bubbles combine into fewer large bubbles. Unexpectedly, the authors found that some small bubbles persist, roaming the foam. In PNAS:

A study explores how wet foams “coarsen” in #microgravity, as many small bubbles combine into fewer large bubbles. Unexpectedly, the authors found that some small bubbles persist, roaming the foam. In PNAS:

13,130 görüntüleme • 2 yıl önce

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