Analyzing samples of mummies from different dynastic periods showed how the mixtures of substances used in mummification became more complex with time.

Researchers have developed electrochemical methods that break down waste PET plastic, the material in most disposable water ...

Scientists have long sought to explain a key mismatch in Earth's early history: oxygen-producing photosynthesis evolved ...

Researchers have directly observed organic hydrotrioxides forming in Earth’s atmosphere, confirming the existence of a class ...

In the journal Science Advances, scientists in Sweden and the U.S. report the first-ever direct observation of a type of ...

School of Chemical Engineering, University of Science and Technology Liaoning, Anshan 114051, Liaoning, PR China School of Mining Engineering, University of Science and Technology Liaoning, Anshan ...

Fixed nitrogen limits primary productivity in most areas of the surface ocean. Nitrite oxidation is the main source of nitrate, the most abundant form of inorganic fixed nitrogen. Even though known as ...

Analysis of manganese mineral occurrences and valence states demonstrate oxidation of Earth's crust through time. Changes in crustal redox state are critical to Earth's evolution, but few methods ...

ABSTRACT: Parkinson’s disease (PD) is a progressive neurodegenerative disorder characterized by the selective degeneration of dopaminergic neurons in the substantia nigra pars compacta, resulting in a ...