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 ...
Abstract: Hot-deformed (HD) Nd-Fe-B magnet exhibits good magnetic and mechanical properties, which are dictated by the thermomechanical behavior of the feedstock during the hot deformation process. To ...
Researchers in China found that greater screen time is linked to greater sleep problems among preschoolers. The two things are also linked to an increased risk of hyperactive behavior, attention ...
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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 ...
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