Conceptual image of an embryo with sound waves
Embryonic Eavesdropping: How Animals Hear and Respond to Sound
Recent findings buck the traditional idea that embryos are passive agents and instead suggest that by tuning into vibrations, organisms can better prepare to enter the outside world.
ABOVE: COMPOSITE FROM © ISTOCK.COM, GEORGE PERKINS; © ISTOCK.COM, TheCrimsonMonkey
Embryonic Eavesdropping: How Animals Hear and Respond to Sound
Embryonic Eavesdropping: How Animals Hear and Respond to Sound

Recent findings buck the traditional idea that embryos are passive agents and instead suggest that by tuning into vibrations, organisms can better prepare to enter the outside world.

Recent findings buck the traditional idea that embryos are passive agents and instead suggest that by tuning into vibrations, organisms can better prepare to enter the outside world.

ABOVE: COMPOSITE FROM © ISTOCK.COM, GEORGE PERKINS; © ISTOCK.COM, TheCrimsonMonkey

brain development

Study Looks for Effects of Fetal Exposure to Air Pollution
Jef Akst | Aug 1, 2021
By measuring various pollutants in the immediate vicinity of pregnant women and tracking brain development of their children, researchers in Barcelona aim to untangle any influence the former has on the latter.
early-life stress, histone, chromatin, epigenetics, epigenetic modification, methylation, DNA, protein, stress, adversity, mice, genetics, genomics
Early-Life Stress Exerts Long-Lasting Effects Via Epigenome
Asher Jones | Mar 18, 2021
In mice, epigenetic marks made on histones during infancy influence depression-like behavior during adulthood. A drug that reverses the genomic tags appears to undo the damage.
Visualize Transcript Location with Spatial Biology Techniques
Unraveling the Cellular and Subcellular Landscape Using Spatial Biology
The Scientist Creative Services Team, Resolve Biosciences | Apr 12, 2022
How to visualize gene expression patterns in situ
Study Points to Novel Role for Microglia in Down Syndrome
Catherine Offord | Oct 6, 2020
Overactive immune cells identified in a mouse model and in postmortem human brain tissue may offer a potential therapeutic target for cognitive delays associated with the condition, researchers report.
Image of the Day: Slow-Growing Brains
Amy Schleunes | Apr 8, 2020
Scans of eight fossilized adult and infant Australopithecus afarensis skulls reveal a prolonged period of brain growth during development that may have set the stage for extended childhood learning in later hominins.
Antibiotics May Influence Brain Development
Antibiotics May Influence Brain Development
Roni Dengler, PhD | Jan 10, 2022
Low doses of continuous penicillin exposure altered mouse pups’ microbiomes and gene expression in brain areas associated with emotional and cognitive function.
Image of the Day: Brainless Frogs
Amy Schleunes | Feb 18, 2020
Without a brain, the frog embryo immune system doesn’t receive the signals it needs to mobilize macrophages and fight infections.
Researchers Implant Memories in Zebra Finch Brains
Abby Olena | Oct 3, 2019
Juvenile birds learn the length of the sounds in a song from a false memory introduced via optogenetics, instead of from real interactions with a tutor bird.
Gaining Biological Insights into Brain Development Using Single Cell Technologies
Gaining Biological Insights into Brain Development Using Single Cell Technologies
The Scientist Creative Services Team in collaboration with 10x Genomics | Apr 12, 2021
Richard Smith will discuss the importance of ionic flux in in utero neuronal development.
State Marijuana Legalization Aids Research Very Little
Ashley Yeager | Sep 20, 2019
Recent federal announcements serve as reminders that in the US policy continues to outpace science when it comes to cannabis.
vape pen and marijuana
Marijuana Unsafe During Pregnancy or Adolescence: Surgeon General
Nicoletta Lanese | Aug 30, 2019
The federal government cautions that the drug can affect brain development in both teens and fetuses.
A tractor sprays large field of crops pesticides
EPA Will Not Ban Pesticide Linked to Neurological Issues
Nicoletta Lanese | Jul 19, 2019
The agency argues that chlorpyrifos is one of few “cost-effective options” for controlling certain farm pests.
rhesus macaque monkey gene editing genetic modification
Monkeys Genetically Edited to Mimic Human Brain Development
Chia-Yi Hou | Apr 10, 2019
Rhesus monkeys engineered to express a human gene reportedly show delayed brain development and better short-term memory. Fellow scientists are raising ethical red flags.
Does Sharing the Womb with a Brother Affect Girls?
Ashley Yeager | Mar 19, 2019
A study links having a male twin with women’s educational, financial, and childbearing decisions. Researchers suspect prenatal exposure to testosterone may play a role.
Brain Surface Area Reveals Overlap in Genes, Intelligence, Evolution
Carolyn Wilke | Mar 4, 2019
An analysis of the contours of more than 600 kids’ brains points to links between cerebral surface area and heritability in regions of the brain important in cognition.  
Cannabinoid Exposure During Adolescence Disrupts Neural Regulation
Jef Akst | Nov 6, 2018
Young rats injected with a synthetic cannabinoid have more of the brain’s motivating dopaminergic signaling and fewer numbers of inhibitory neurons than controls.
After a Lobectomy, a Boy Still Recognizes Words and Faces
Ashley Yeager | Nov 1, 2018
A longitudinal study tracking the progress of an epilepsy patient after surgery shows the brain’s ability to reorganize itself to function nearly normally.
Dialogue Improves Children’s Learning Abilities
Sukanya Charuchandra | Nov 1, 2018
Regardless of parental income and education, children who engage in more two-way conversation with their parents learn better.

Postnatal Zika Infection Causes Brain Damage in Infant Macaques
Jim Daley | Apr 4, 2018
The findings highlight the need for long-term monitoring of children exposed to the virus, say scientists.