Grey and white stones balancing on a wooden plank
Eight Weeks of Meditation Doesn’t Change the Brain, Study Finds
Study finds that, contrary to what other research has found, a popular meditation course does not appear to alter brain structure.
ABOVE: © iStock.com, nambitomo
Eight Weeks of Meditation Doesn’t Change the Brain, Study Finds
Eight Weeks of Meditation Doesn’t Change the Brain, Study Finds

Study finds that, contrary to what other research has found, a popular meditation course does not appear to alter brain structure.

Study finds that, contrary to what other research has found, a popular meditation course does not appear to alter brain structure.

ABOVE: © iStock.com, nambitomo

replication

Lab dishes containing blue liquid
Study Finds Reproducibility Issues in High-Impact Cancer Papers
Catherine Offord | Dec 7, 2021
Researchers involved in an eight-year project to reproduce the findings of more than 50 high-impact papers struggled to get enough information to even carry out most of the experiments.
colored microscope photo of xenobot
“Xenobot” Living Robots Can Reproduce
Chloe Tenn | Dec 2, 2021
Biological robots made from frog cells can replicate by smooshing loose cells into new robots—a reproduction method not seen in any other organism.
Illustration of a person confused looking at a computer
When Researchers Sound the Alarm on Problematic Papers
Shawna Williams | Sep 1, 2021
Finding and reporting an irregularity in a published study can lead people down an unexpected path.
A series of brain scans on a black background
How Scientists Are Tackling Brain Imaging’s Replication Problem
Angie Voyles Askham | Jul 9, 2021
Researchers who spoke with Spectrum say that while brain imaging tools have their limitations, they still hold promise in helping to unlock the brain’s secrets. 
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
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?
An illustration of a flask of bacteria, a weighted microscope slide, and two bacteria exchanging materials via nanotubes.
Infographic: Sources of Variation in Bacterial Nanotube Studies
Sruthi S. Balakrishnan | Jun 1, 2021
Differences in how researchers prepare and image samples can lead to discrepancies in their results.
retina atrophic age-related macular degeneration amd alu line-1 l1 retrotransposon cytoplasm cdna reverse transcription replication genome dna
Human Cells Can Synthesize DNA in Their Cytoplasm
Alejandra Manjarrez | Feb 8, 2021
While studying a degenerative eye disease, researchers find the first evidence that cells produce endogenous DNA in the cytoplasm. Drugs that block this activity are linked with reduced risk of atrophic age-related macular degeneration.
Gene Splicing Pioneer Dale Kaiser Dies
Ashley Yeager | Jun 29, 2020
Working with a virus that infects bacteria, the Stanford University biochemist and developmental biologist helped to develop a way to stitch DNA together, a discovery that gave rise to genetic engineering.
Image of the Day: Coronavirus in 3D
Amy Schleunes | Mar 25, 2020
At Bessy II, a synchrotron radiation facility in Berlin, scientists use X-rays to study the structure of SARS-CoV-2.
DNA Damage Linked to Brain Overgrowth in Autism
Abby Olena | Feb 5, 2020
Cell lines from individuals with macrocephalic autism spectrum disorder have an increased number of double-strand breaks in the DNA of long neural genes.
chromis coral reef ocean acidification global warming climate change
Study Refutes Findings that Acidification Affects Fish Behavior
Emma Yasinski | Jan 8, 2020
The new experiments use standardized methods and video recordings, but some researchers stand by earlier evidence that ocean pH influences coral reef fish’s response to predator cues.
Image of the Day: Fractal Formation
Emily Makowski | Nov 4, 2019
A mixture of chemicals induces reactions reminiscent of life on pyrite.
mri fmri neuroscience genetics cognition
Replication Refutes Study Linking Neuroimaging to Genetics
Emma Yasinski | Sep 30, 2019
The original experiment found brain activity as measured by fMRI was tied to particular genetic variants.
magnetogenetics neuroscience techniques
Two Studies Fail to Replicate Magnetogenetics Research
Katarina Zimmer | Sep 20, 2019
The new work calls into question the idea that neurons can be genetically engineered to fire in response to magnetic fields, a setback for the budding technique.
Half the Time, Psychology Results Not Reproducible: Study
Ashley P. Taylor | Nov 20, 2018
These failures were not due to differences among sample populations.
Study Challenges CRISPR Method for Making Conditional Knockout Mice
Sukanya Charuchandra | Sep 28, 2018
Researchers from 17 labs report low efficacy rates for the popular technique.
Latest Effort to Replicate Psych Studies Yields 62 Percent Success
Kerry Grens | Aug 27, 2018
Among the experiments that came to the same result as the original, the effect size was smaller on average.
Replication Failures Highlight Biases in Ecology and Evolution Science
Yao-Hua Law | Aug 1, 2018
As robust efforts fail to reproduce findings of influential zebra finch studies from the 1980s, scientists discuss ways to reduce bias in such research.
Horizontal Gene Transfer in Bdelloid Rotifers Questioned
Abby Olena | Jul 12, 2018
A re-analysis of sequencing data from a 2016 study of these tiny metazoans reveals possible contamination, rather than an exchange of DNA among species.