Scientists have created a catalyst for hydrogen generation from ammonia that becomes more active with time, and by counting atoms revealed changes that boost the catalyst's performance.

but that it is a chemical evolution of millions of years, absolutely random, like subsequent biological evolution, and that it increases in complexity over time. It can lead to self-organized ...

Department of Materials and Optoelectronic Science, Center for Functional Polymers and Supramolecular Materials, National Sun Yat-Sen University, Kaohsiung 80424, Taiwan ...

Amaranth comes from a word that means "unfading" in Greek. The flowers of this plant are a vivid crimson all summer long, making it a striking sight. However, the flowers aren't amaranth's big ...

Cavendish Laboratory, Department of Physics, University of Cambridge, J. J. Thomson Avenue, Cambridge CB3 0HE, U.K. ISIS Neutron and Muon Source, STFC Rutherford Appleton Laboratory, Harwell Science ...