The best of the 2021 Close-up Photographer of the Year Awards

Now in its third year, the Close-Up Photographer of the Year competition has quickly become an impressive showcase for macro photography. Highlights in 2021 include surreal shots of fungi and a rare glimpse at fighting toad-headed agama lizards.

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Next-gen range-boosting EV battery cathodes test mettle in race car

The race for a better li-ion battery cathode has many entities scrambling for just the right mix of materials. Johnson Matthey has an energy-dense formula it believes superior and will test it in the high-demand laboratory of electric car racing.

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Perfect pressure boosts high-density lithium metal battery performance

Material scientists have taken a step forward in the development of lithium-metal batteries, demonstrating how applying a very specific amount of pressure during cycling can prevent the formation of growths that would otherwise bring them undone.

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Heart cells’ 24-hour clock may explain prevalence of morning heart attacks

New research has discovered a distinct circadian mechanism within heart cells that influences how cardiac activity shifts across 24-hour periods. The findings offer clues to why shift workers are at higher risk of heart problems.

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