How do we taste sugar, bacon and coffee?
How do we taste the sugary richness of candy, or the bitter undertones of coffee? What about the savory flavors of smoked and cured meats?
Until now, many scientists believed that a single protein -- TRPM5 -- acted as a gatekeeper for tasting these delectable foods. Remove TRPM5 from a pers ... more
The end of pneumonia? New vaccine offers hope
In 2004, pneumonia killed more than 2 million children worldwide, according to the World Health Organization. By 2015, the number was less than 1 million.
Better access to antibiotics and improved nutrition account for part of the decline. But scientists say it's mostly due to vaccines intr ... more
Beware doping athletes! This sensor may be your downfall
Scientists searching for traces of drugs, bomb-making components and other chemicals often shine light on the materials they're analyzing.
This approach is known as spectroscopy, and it involves studying how light interacts with trace amounts of matter.
One of the more effective types of sp ... more