Medical research

Nicotine works inside cells to reinforce addiction: study

When a person takes a puff on a cigarette, nicotine floods into the brain, latching onto receptors on the surface of neurons and producing feelings of happiness. But nicotine does not simply stay on the surface of cells—the ...

Medical research

Biosensor barcodes identify, detail 'chatting' among cancer cells

Ever since the first barcode appeared on a pack of chewing gum in 1974, the now-ubiquitous system has enabled manufacturers, retailers and consumers to quickly and effectively identify, characterize, locate and track products ...