An illustration showing a scale weighing two double-stranded pieces of DNA that has a big question mark in the center.
Mouse Foraging Behavior Shaped by Opposite-Sex Parent’s Genes
A study in mice finds that for certain genes, one parent’s allele can dominate expression and shape behavior—and which parent’s allele does so varies throughout the body.
ABOVE: © ISTOCK.COM, BSD555
Mouse Foraging Behavior Shaped by Opposite-Sex Parent’s Genes
Mouse Foraging Behavior Shaped by Opposite-Sex Parent’s Genes

A study in mice finds that for certain genes, one parent’s allele can dominate expression and shape behavior—and which parent’s allele does so varies throughout the body.

A study in mice finds that for certain genes, one parent’s allele can dominate expression and shape behavior—and which parent’s allele does so varies throughout the body.

ABOVE: © ISTOCK.COM, BSD555

fluorescence

Close up photo of a wing
Unearthing the Evolutionary Origins of Insect Wings
Jef Akst | Apr 4, 2022
A handful of new studies moves the needle toward a consensus on the long-disputed question of whether insect wings evolved from legs or from the body wall, but the devil is in the details.
Miscellaneous diatoms, appearing as translucent blue and brownish circles and rhomboid shapes, are imaged in front of a black background.
Q&A: Fluorescence Lets Diatoms Communicate, Coordinate Behavior
Dan Robitzski | Dec 16, 2021
The Scientist spoke with physicist and microbial ecologist Idan Tuval, whose recent paper challenges the assumption that these single-celled organisms only communicate via chemical signals.
Discover how flow cytometry accelerates drug screening
Adapting Flow Cytometry for Drug Discovery Workflows
The Scientist Creative Services Team, Bio-Rad Laboratories | May 3, 2022
Explore how flow cytometry innovations expand and accelerate cell profiling.
Ibrahim Cissé’s Tools Provide a Lens to Watch RNA Production
Jef Akst | Sep 1, 2020
The MIT physicist has demonstrated the importance of clusters of RNA polymerase and other transcription mediators in regulating RNA production.
Image of the Day: An Infectious Glow
Carolyn Wilke | Mar 7, 2019
In CRISPRed fruit flies that lack certain antimicrobial peptides, bacterial infections flourish, as revealed by fluorescent markers.
An Improved Way to Detect CAR T Cells and SARS-CoV-2-Binding Cells
Technique Talk: An Improved Way to Detect CAR T Cells and SARS-CoV-2-Binding Cells
The Scientist Creative Services Team, Bio-Techne | Apr 13, 2022
Jody Bonnevier will discuss the advantages of Fluorokines™ for detecting and investigating CAR T cells and other key drivers of the immune system.
Image of the Day: Hot Pink Squirrels
Carolyn Wilke | Feb 15, 2019
Under UV light, flying squirrels give off a rosy glow.
Image of the Day: Coral Fluorescence
Kerry Grens | Jan 22, 2019
Green fluorescent protein lures algal symbionts to corals.
Discover how to scale up cellular assays during drug discovery
High-Throughput Solutions for Lead Candidate Discovery
The Scientist Creative Services Team, Thermo Fisher Scientific | Oct 18, 2021
New technologies allow researchers to scale up assays for cellular functions.
RNA Detection Tool Debate Flares Up at ACS Meeting  
Katarina Zimmer | Sep 5, 2018
Researchers have flagged several issues with so-called SmartFlares over the years, and it’s still unclear why they don’t appear to work under certain circumstances.
Drones Are Changing the Face of Ecology
Catherine Offord | Aug 1, 2018
Unmanned aerial vehicles allow researchers to collect huge volumes of biological data cheaply, easily, and at higher resolution than ever before.
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Demystifying the Black Box
The Scientist Creative Services Team, Tecan | Aug 10, 2021
One sophisticated laboratory tool detects absorbance, fluorescence, FRET, luminescence, live cells, and more, facilitating a wide variety of experimental findings.
Infographic: Inner Glow
Ruth Williams | Jul 31, 2018
How GFP-grabbing nanobodies enable instant tracking of protein dynamics in live cells.
Image of the Day: See You Later!
The Scientist Staff, The Scientist Staff | Jan 8, 2018
Developmental biologists take a close look at how alligator embryos grow. 
Cell Sorting for Single-Cell Applications
The Scientist Creative Services Team in Collaboration with BD Biosciences | Jul 14, 2021
Karen Ersland and Rachael Sheridan discuss how flow cytometry contributes to single-cell applications, from cloning to sequencing.
Image of the Day: Eyes from the Deep 
The Scientist Staff, The Scientist Staff | Nov 15, 2017
Scientists have discovered a new type of eye cell in a deep-sea fish species.
Image of the Day: Glowing Bacteria On a Chip
The Scientist Staff | Sep 1, 2017
Using new nanochip technology, scientists can measure the light emitted by engineered fluorescing bacteria.
NGS Library QC: Two Steps, One Instrument
The Scientist Creative Services Team in collaboration with DeNovix | Mar 23, 2021
A combination spectrophotometer/fluorometer simplifies nucleic acid concentration and purity measurements.
Scientists Discover First Fluorescent Frog
Diana Kwon | Mar 14, 2017
The polka dot tree frog (Hypsiboas punctatus) glows under a blacklight, due to the presence of three fluorescent molecules in its lymph tissue and skin.