Osmosis refers to the movement of water molecules only. The slideshow shows an example of osmosis showing the direction of movement of water between two different concentrations of sugar solutions. In ...

Larvae of the silk moth tend to live longer lives if they have higher levels of an enzyme known as NAD+.

Figure 1: Structural arrangement of γ′ and ɛ-subunits from E. coli ATP synthase. The γ′–ɛ complex was crystallized from 0.5 M tartrate buffered with 0.1 M Tris-HCl at pH 8.8 (space group C222 1, a = ...

The ERBB system consists of four receptors (ERBB1–4), two of which, ERBB2/HER2 and ERBB3 are non-autonomous. All four ERBB proteins form functional dimers after activation by epidermal growth factor ...

Bob Cratchit is Scrooge's clerk and works in unpleasant conditions without complaint. He obeys Scrooge's rules and is timid about asking to go home to his family early on Christmas Eve. When the Ghost ...

Innovations in imaging and genetic engineering are coming together to probe the biophysics of cytoplasm inside living animals.

The Rock Pool Project in Plymouth says the non-native sea hare looks "alien-like". Thousands of native oysters are settling in to Belfast Lough in a project to bring the species back. Atlantic salmon ...

Parkinson's disease (PD) is the second most common neurodegenerative disease after Alzheimer's disease, affecting more than 10 million people worldwide. People with this condition may experience ...

Carlos Alcaraz was very happy to finally reach an Australian Open semi-final, with the final and career Grand Slam on the horizon. He was full of praise for his performance as he looked ahead to a ...

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It was a triumphant return to the action as Draper got past Viktor Durasovic 6-2, 6-2. While not the biggest challenge it was a solid showing from the former world number four who looks to get back to ...

Sebastian Korda got a small measure of revenge by defeating Michael Zheng 6-4, 6-4 in an all-U.S. first-round clash at the Nexo Dallas Open on Monday. Korda ended a three-match losing streak that ...