New hafnium polyhydrides superconductive above 80 K

The discovery of high temperature superconductors in polyhydrides encourages searching for new types of hydrogen rich superconductors. Most of experimentally reported high Tc polyhydride superconductors are binary hydrides ...

White paper on critical materials, green energy and geopolitics

With its Green Deal, the European Union has set itself much-needed ambitious climate goals. But the energy crisis and geopolitical tensions are making these difficult to achieve. Seven researchers from the Leiden-Delft-Erasmus ...

UN meet sees blitz of pledges to protect ailing oceans

A major UN conference on how to restore the faltering health of global oceans kicked off in Lisbon this week with a flurry of promises to expand marine protected areas, ban deep-sea mining, and combat illegal fishing.

page 1 from 13