News
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Adding to nature’s repertoire
Modified mouse cells make proteins that include synthetic amino acids in addition to the 20 natural ones.
- Tech
More bang for the biofuel buck
Microbes that ferment glycerol to ethanol could add an economically valuable new ingredient to the biofuel industry.
- Earth
As the last ice age waned, a great lake was born
Lake Agassiz, a huge and now vanished freshwater lake, formed almost 14,000 years ago, toward the end of the last ice age.
- Health & Medicine
Hepatitis B drug creates HIV resistance
A hepatitis B drug spurs resistance to HIV drugs in people infected with both diseases.
