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tag light sheet microscopy microbiology ecology cell molecular biology evolution

Microscopic image of a live amoeba.
Illuminating Specimens Through Live Cell Imaging
Charlene Lancaster, PhD | Mar 14, 2024 | 8 min read
Live cell imaging is a powerful microscopy technique employed by scientists to monitor molecular processes and cellular behavior in real time.
A scanning electron micrograph of a coculture of E. coli and Acinetobacter baylyi. Nanotubes can be seen extending from the E. coli.
What’s the Deal with Bacterial Nanotubes?
Sruthi S. Balakrishnan | Jun 1, 2021 | 10+ min read
Several labs have reported the formation of bacterial nanotubes under different, often contrasting conditions. What are these structures and why are they so hard to reproduce?
bacteria inside a biofilm
How Bacterial Communities Divvy up Duties
Holly Barker, PhD | Jun 1, 2023 | 10+ min read
Biofilms are home to millions of microbes, but disrupting their interactions could produce more effective antibiotics.
Week in Review: October 20–24
Tracy Vence | Oct 24, 2014 | 3 min read
Commensal microbes combat C. diff; seeing inside cells; freeze-dried gene networks; how rice fights arsenic; rapid evolution among anoles
The Scientist Staff | Mar 29, 2024
LOV story
Alla Katsnelson | May 1, 2009 | 10+ min read
LOV story Even nonphotosynthetic bacteria respond to light in surprising ways. Have scientists found a new ubiquitous signaling mechanism? By Alla Katsnelson Original image: © Yves Brun / artistically modified by The Scientist aulobacter crescentus isn't much to look at. When you peek through a microscope at 630-times magnification, the freshwater bacteria appear as a swarm of little gray, kidney-shaped creatures fli
Cutting the Wire
Jeffrey M. Perkel | Dec 1, 2014 | 8 min read
Optical techniques for monitoring action potentials
Nanotech Dreams
Jeffrey Perkel | Mar 3, 2002 | 9 min read
Nanotechnology hit the big time in July 1995, when it debuted on the television show, The Outer Limits. In an episode entitled "The New Breed," a scientist develops nanorobots capable of repairing damaged cells and correcting physical defects. But, like any good morality play, the experiment goes horribly wrong, turning a panacea into a nightmare. Clearly, nanotechnology makes for good science fiction, but scientists have been working to make it an interesting reality, too. Nanotechnology refers
Sorting out the Science of Stickiness
Ricki Lewis | Feb 3, 2002 | 6 min read
For many animals, to stick is to survive. Nature's varied adhesive structures and substances enable animals to stick to inert substrates, to each other, and even to parts of themselves. An octopus uses its suckers to grab food, a gecko coordinates its highly specialized feet to ascend a wall, and a mussel emits strings of proteinaceous goo to hold fast to a rock in times of turbulence. Insects coordinate their jumping motions by choreographing contact of leg parts. Some species can even multitas
Articles Alert
The Scientist Staff | Jun 12, 1988 | 7 min read
The Scientist has asked a group of expert. to periodically comment upon recent articles that they have found noteworthy. Their selectIons, presented here in every issue, are neither endorsements of content nor the result of systematic searching. Rather they are personal choices of articles they believe the scientific community as a whole may also find i.nteresting. Reprints of any articles cited here may be ordered through The Genuine Article, 8501 Market St., Philadelphia, Pa. 19004. BY SOK

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