Criminals are smuggling an estimated $30 billion in U.S. currency into Mexico each year from the United States, but help could be on the way for border guards, researchers reported recently. The answer to the problem: a portable device that identifies specific vapors given off by U.S. paper money.

A new technique that transforms stinky, air-polluting landfill gas could produce the sweet smell of success as it leads to development of a fuel cell generating clean electricity for homes, offices and hospitals, researchers say. The advance would convert methane gas into hydrogen, an efficient, clean form of energy.

In the future, working up a sweat by exercising may not only be good for your health, but it could also power your small electronic devices

Coffee drinkers beware: Surprise ingredients that are neither sweet nor flavorful may be hiding in your coffee, and growing coffee shortages may increase the chance of having these fillers in your cup of joe in the future. The good news is that a highly accurate test is in the works to quickly find coffee containing unwanted fillers before the beverage reaches stores and restaurants.

Substances found in bee, snake and scorpion venom could potentially act as effective anti-tumor agents according to University of Illinois researchers

Keeping filler ingredients out of your cup of coffee

Seamlessly marrying electronics and brain signaling could transform how we treat some of the most puzzling and devastating diseases

This ACS video discusses some of the leading theories of how Tylenol works

Long before humans figured out how to create colors, nature had already perfected the process — think stunning, bright butterfly wings of many different hues, for example.

The shocking news of an Ohio teen who died of a caffeine overdose in May highlighted the potential dangers of the normally well-tolerated and mass-consumed substance.

New research indicates that nearly a quarter of all e-waste generated by developed countries floods into just seven developing countries.

Learn more about the scientific secrets of money in this ACS Reactions video

Lego to release set of female scientists in response to online recommendation.

Perfecting the low-fat hot dog requires just the right amount of chewiness. To find out the secret ingredient, check out this ACS video

The warm beauty of amber was captivating and mysterious enough to inspire myths in ancient times, and even today, some of its secrets remain locked inside the fossilized tree resin. But for the first time, scientists have now solved at least one of its puzzles that had perplexed them for decades. Their report on a key aspect of the gemstone’s architecture appears in the ACS journal Analytical Chemistry.