Every time a white blood cell engulfs a bacterium, a neuron extends a projection to connect with a neighboring cell, or when a cancer cell forcefully squeezes through tissue to spread, the cell must ...

Cells can spontaneously change shape even without external signals, but the underlying mechanisms behind this form of ...

This video explains the stages of mitosis, contrasts them with meiosis and the creation of haploid gametes, and concludes by ...

Scientists at UT Southwestern Medical Center, working with other U.S. researchers, have uncovered the structure of a key cell membrane protein in a bacterial model for Chlamydia trachomatis, the cause ...

Damaged DNA can escape from one human cell and infiltrate another. Like prisoners tunneling out of jail, this DNA travels via tubelike structures between neighboring cells, scientists report May 19 in ...

The sunlight-collecting organelles known as chloroplasts solve a packing problem: how to optimize photosynthesis without sustaining damage from dangerously intense rays. Living on light is a dangerous ...

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TU Delft researchers developed a novel hexagonal microtextured glass that enhances light scattering up to 50%, improving optical performance in thin-film silicon solar cells. The technology shows ...

The rapid advancements in satellite technology have been inextricably bound up with the support provided by sophisticated space folding mechanisms. In addition, with the rapid progression of space ...

Human cells are extremely small and tightly packed – at about 20 micrometers across, roughly one-fifth the width of a human hair, each cell contains a dense mix of proteins, organelles, and molecular ...

Scientists have long known that cellular membranes vary in thickness, but measuring those differences inside actual cells has been out of reach. Until now, scientists could only measure membrane ...

In the tiny, beaded chain of the cyanobacterium Anabaena sp. ATCC 33047, two different cells, the photosynthetic factory worker and the nitrogen-fixing specialist, play distinct and powerful roles in ...