Jan. 16, 2025 — 4,900 years ago, a Neolithic people on the Danish island Bornholm sacrificed hundreds of stones engraved with sun and field motifs. Archaeologists and climate scientists can now ...

Add a description, image, and links to the chart-behavior topic page so that developers can more easily learn about it.

For the study, researchers surveyed the mothers of 571 preschool children between the ages of 3 and 6 who were attending seven public kindergartens in Shanghai. Moms reported the amount of time ...

Poor sleep makes children prone to issues such as poor attention, hyperactivity and moodiness Even worse, poor sleep and too much screen time can exacerbate each other ...