News tagged with caffeine

Coffee withdrawal

Coffee: It leaves some people feeling fit and refreshed; in others, it makes their heart race. Scientists have developed several decaffeination processes to allow even people who react badly to caffeine to ...

Aug 14, 2014
5 / 5 (1) 0

Caffeine enhances bee memory

(Phys.org) —Caffeine is the naturally occurring drug most widely used by humans. In nature, though, it is reported to act as a bitter and toxic deterrent to herbivores, preventing leaves and seeds from ...

May 13, 2013
5 / 5 (2) 0 | with audio podcast

The first caffeine-'addicted' bacteria

Some people may joke about living on caffeine, but scientists now have genetically engineered E. coli bacteria to do that—literally. Their report in the journal ACS Synthetic Biology describes bacteria bein ...

Mar 27, 2013
not rated yet 0 | with audio podcast

Chemistry professor links feces and caffeine

Researchers led by Prof. Sébastien Sauvé of the University of Montreal's Department of Chemistry have discovered that traces of caffeine are a useful indicator of the contamination of our water by sewers. "E co ...

Nov 22, 2011
5 / 5 (4) 0 | with audio podcast

Bacteria use caffeine as food source

A new bacterium that uses caffeine for food has been discovered by a doctoral student at the University of Iowa. The bacterium uses newly discovered digestive enzymes to break down the caffeine, which allows it to live and ...

May 24, 2011
4.5 / 5 (6) 4 | with audio podcast