Scientists have long known that the DNA code in genes is not the only way to pass genetic traits from parents to offspring. “Epigenetic” marks — chemical modifications to DNA that don’t change the DNA ...

Genetic information in the DNA and modifications, such as DNA methylation, define the epigenetic landscape and phenotype and show both Mendelian and non-Mendelian heredity. Scientists have long known ...

Did you know that nearly 90% of a child’s brain is developed by the time they turn 6? Yet children from low-income families hear roughly 30 million fewer words by age 3 and can enter school more than ...