Green hydrogen: Buoyancy-driven convection in the electrolyte

Hydrogen produced by using solar energy could contribute to a climate neutral energy system of the future. But there are hurdles on the way from laboratory scale to large-scale implementation. A team at HZB has now presented ...

Graphing by hand promote understanding of algebraic formulas

For many students, algebraic formulas are "abracadabra": they lack symbol sense. Symbol sense includes identifying the structure of algebraic formulas, giving meaning to them, and reasoning with and about formulas. Besides ...

How school closures for COVID-19 amplify inequality

Pandemic-related school closures have posed challenges for school districts and families across the United States. According to Annette Anderson, an assistant professor at the Johns Hopkins School of Education, those challenges ...

German fireworks sales fizzle on climate anxiety

Pyrotechnic-mad Germany loves to see in the New Year with a bang but concerns about climate change have prompted several major retailers to take fireworks off the shelves this year, local media said Friday.

Are California blackouts the new normal for the state?

Millions of people lost electricity this week in California as the state's utility giant PG&E sought to prevent catastrophic wildfires, leading many to question whether such power shutoffs will become the new normal.

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