Las marcas como Juul liberan una forma de nicotina menos agresiva al inhalarse que la nicotina en forma básica.

Brands like Juul deliver a form of nicotine that is less harsh to inhale than free-base nicotine

Akamptisomers result from bond-angle inversion

The start-up wants to develop treatments based on two kinds of bacteria linked to the antiseizure effects of the ketogenic diet

Such screens could yield protein drugs with advantages over natural ones

Products made in volumes between 1 and 100 metric tons must be registered by May 31

Prime minister wants to maintain full participation in Horizon Europe

Provoked by Trump, a wave of candidates pushes for evidence-based governing

Goal is getting Pfizer-owned land in New Jersey back into use

Move will leave agency with 3 of 5 board members

Funds from the Gates Foundation and U.K. government will help address antimicrobial resistance in low- and middle-income countries

Agency urges the chemical industry to better prepare for extreme weather

The chemist and former college president leads the Association of American Universities in challenging times

Passionate about forensic science, this chemist got the job she always wanted

Updated following the West, Texas, fertilizer explosion, rule is intended to prevent incidents at facilities handling large amounts of hazardous materials

Traces of lead pinpoint economic activity, but doubts about contamination have been raised

Ionic liquid and aprotic solvent boost efficiency of electrochemical ammonia production

The portable devices haven’t yet caught on widely. Researchers continue to advance the technology and find new applications

Researchers are simultaneously shrinking mass specs and broadening their tandem capabilities

Bioluminscent bacteria pair with electronics to detect blood in the gut

Chemists use the reaction to develop a greener route to epilepsy drug

Decades in the making, miniature mass spectrometers still face technical hurdles to wider commercial adoption

Mini mass spec can detect lower opioid levels than other methods

Analytical chemists are bringing these old-school mass analyzers into the high-tech, miniature realm

The science enables and enhances the all-encompassing live music experience. 

Mini mass specs are key components of Mars rovers

San Jose State’s Claire Komives is testing an antivenom inspired by opossum biochemistry against various snake species to prevent deaths in the developing world

Luke Lavis’s lab teaches old dyes new tricks at the HHMI campus

A spot shortage of the analytical sample holder affects some scientists

Dynamic boron-oxygen networks are key to the new material’s unusual properties

Adding enzyme to engineered yeast boosts production of thebaine, a key morphine intermediate

New obligations for industry as the region and other areas target the causes of marine litter

Trace water that gets into organic solvents can participate actively when molecules start to self-assemble