Nearly every cell in the human body contains essentially the same genetic information, yet different cells activate different genes. For regulatory proteins to reach these genes, DNA must be accessible. This accessibility depends not only on the genetic code itself but also on DNA's physical pr...
Thinkers from Plato to Maria Montessori have championed play as one of the most powerful ways that young children learn and grow. American preschool teachers overwhelmingly agree—but a new study finds that teachers in urban settings feel less family support for play-based learning than their sub...
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What happened in the first moments of the universe—before the building blocks of life and the world we know today came into existence? Physicists at the CERN research facility in Switzerland are trying to answer this question by recreating some of the extreme conditions that prevailed in the uni...
Accurately determining fish body size and weight is essential for fisheries resource management and seafood processing; however, measuring large quantities of fish is labor-intensive, and results may vary among operators.
The most prominent difference between human male and female skeletons is the pelvis, which anthropologists often use to determine the sex of ancient remains. Scientists have long believed the human pelvis evolved mainly as a compromise between walking on two legs and giving birth to large-braine...