After a finite number of divisions, cells simply give up. As each round of replication trims their telomeres—the protective ...

In several disease conditions, including infections and cancers, innate immune activation and nutrient scarcity occur together. A study from St. Jude Children's Research Hospital, published in Cell, ...

When two cells "talk" to each other, they often do so through tiny channels called electrical synapses. Unlike chemical ...

A high-speed “zap-and-freeze” method is giving scientists their clearest view yet of how brain cells send messages. By ...

Some boxwoods turn yellow or bronze in winter as a normal seasonal change, especially in certain types, and usually green up ...

Frost can occur at temperatures as high as 36 degrees Fahrenheit, but a freeze begins at 32 degrees. A killing frost, which destroys plants by bursting their cells, typically happens at 28 degrees ...

Department of General Practice and Special Ward, The Second Hospital of Jilin University, Changchun, China Background: Chlorogenic acid (CGA) is a polyphenolic compound widely present in plants. It is ...

This video demonstrates a test of the damage caused by End Crystals in Minecraft combat. The gameplay highlights placement strategies, explosion radius, and how different armor and protection levels ...

When injured, cells have well-regulated responses to promote healing. These include a long-studied self-destruction process that cleans up dead and damaged cells as well as a more recently identified ...