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Why is an empty shampoo bottle so easy to knock over?

A physics professor and first-year physics major demonstrate how the center-of-mass of a nearly empty shampoo bottle affects its stability when placed on a tilted surface. The study reveals that the altitude of the center of mass is a nonlinear function of the liquid level, with lower levels resulting in higher altitudes.

SourceLehigh University·JournalThe Physics Teacher·DateMar 2, 2020

Mapping the landscape of citizen science

A new report from the National Academies of Sciences, Engineering, and Medicine explores the role of citizen science in supporting science learning and education. The study found that citizen science can facilitate large-scale research, provide opportunities for diverse perspectives, and enhance science education when designed with inc...

Smaller class sizes not always better for pupils, multinational study shows

A multinational study of 4,277 pupils from 151 schools found that smaller class sizes were only associated with improved non-cognitive skills in Lithuania. In Romania, however, smaller classes led to greater academic achievement and enjoyment of learning mathematics and science. The study's results suggest that reducing class size does...

SourceTaylor & Francis Group·JournalResearch Papers in Education·DateDec 15, 2019

Would you eat genetically modified food if you understood the science behind it?

A recent study published in the Journal of Environmental Psychology found that people's existing knowledge about genetically modified food is a significant determining factor of their attitudes towards it. Learning the underlying science leads to more positive attitudes, a greater willingness to eat them, and a lowered perception of GM...

SourceUniversity of Rochester·JournalJournal of Environmental Psychology·DateJun 4, 2019