RNA is usually portrayed as a molecule that works deep inside the cell, helping to turn genetic information into proteins.

Who among us can solve the age-old conundrum of preventing tears when you cut onions? Does anyone have an answer? Why, Martha ...

Deep in coastal mangroves and even inside our own mouths, biologists are finding that DNA does not always sit in a simple ...

Since vitamin C is a water-soluble vitamin, any excess is excreted in the urine in a few hours. Current U.S. recommendations call for 75 mg of vitamin C per day for adult women and 90 mg per day for ...

When killer T cells of our immune system divide, they normally undergo asymmetric cell division (ACD): Each daughter cell ...

Many biological processes are regulated by electricity—from nerve impulses to heartbeats to the movement of molecules in and ...

Unlike our organs, cell organelles such as mitochondria are not fixed in place, but when, where, how, and why organelles move ...

A growing number of new studies have found that, at least for some cells, death isn’t the end, but the beginning of something wholly unexpected.

Unlike our organs, cell organelles such as mitochondria are not fixed in place, but when, where, how, and why organelles move ...

Scientists have discovered that T cell receptors activate through a hidden spring-like motion that had never been seen before ...

A newly identified virus–cell hybrid structure allows viruses to spread faster and more aggressively by hitching a ride on ...

Many biological processes are regulated by electricity-from nerve impulses to heartbeats to the movement of molecules in and ...