The Donnan potential, revealed at last

The Donnan electric potential arises from an imbalance of charges at the interface of a charged membrane and a liquid, and for more than a century it has stubbornly eluded direct measurement. Many researchers have even written ...

Earth's inner core may be oxygen-rich

Oxygen is the key substance for life and one of the most abundant elements in the Earth. However, it's still unknown whether oxygen is present (and in which form it may exist) in the inner core, which is composed of almost ...

Gold from Troy, Poliochni and Ur found to have the same origin

The gold in objects from Troy, Poliochni (a settlement on the island of Lemnos which lies roughly 60 kilometers away from Troy), and Ur in Mesopotamia have the same geographic origin and were traded over great distances.

Imaging human cells: New method enables clear, precise look inside

It's why Jaws swam out of sight for more than an hour, and it hints at the glamor of giftwrap. In movie theaters, living rooms, and even labs, the thrill of the unseen can be counted on to keep us guessing. But when it comes ...

How photoelectrodes change in contact with water

Photoelectrodes based on BiVO4 are considered top candidates for solar hydrogen production. But what exactly happens when they come into contact with water molecules? A study in the Journal of the American Chemical Society ...

2400 new eyes on the sky to see cosmic rainbows

The Subaru Telescope successfully demonstrated engineering first light with a new instrument that will use about 2400 fiberoptic cables to capture the light from heavenly objects. Full operation is scheduled to start around ...

Invasive fruit fly may pose threat to forest ecosystems

The invasive spotted wing drosophila (SWD), introduced from South-East Asia, is a well-known fruit crop pest. It lays its eggs by destroying the mechanical protection of the fruit's skin, providing an entry point for further ...

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