Portugal, Spain battle wildfires amid heat wave alerts

Hundreds of firefighters were on Tuesday battling a wildfire that has burned for four days in Portugal, which, like neighboring Spain, is sweltering in a heat wave that has triggered widespread weather alerts.

Solving stability problems of relevant graphene derivatives

In the last decades, a new synthetic approach has been developed, generally termed as "on-surface synthesis" that substantially departs from standard wet-chemistry. Instead of the three-dimensional space of solvents in the ...

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