Afin de reconnecter les citadins à leur environnement, cette jeune étudiante en art a décoré un arrêt de tramway avec des fleurs séchées !
Scientists for the first time have developed a single molecule that can absorb sunlight efficiently and also act as a catalyst to transform solar energy into hydrogen, a clean alternative to fuel for things like gas-powered vehicles.This new molecule collects energy from the entire visible spectrum, and can harness more than 50% more solar energy than current solar cells can.
This anthology envisions winters of the future, with stories of scientists working together to protect narwhals from an oil spill, to bring snow back to the mountains of Maine, to preserve...