In 1979, dubious psychological techniques were used to put a teenager behind bars for life. These flawed ideas may still be at play in other criminal cases.
Researchers are working to control citrus greening, a disease that has killed thousands of acres of orange trees. Finger limes produce a peptide that kills the bacterium responsible for the disease.
A COVID-19 vaccine candidate developed by the U.S. company Moderna and the National Institutes of Health starts its final phase of testing. It's one of a handful of candidates to reach this stage.
Two new human studies back earlier hints that vaccines designed to prevent respiratory infections might also provide some protection against Alzheimer's disease.
Gene therapy has helped a 9-year-old boy regain enough muscle strength to run. If successful in others, the treatment could change the lives of thousands of children with Duchenne muscular dystrophy.
A growing number of researchers think until there's an effective vaccine, the coronavirus will simply persist in the population, causing illness indefinitely. Better to squelch the spread instead.
Recent studies have raised fears that immunity to the coronavirus might be fleeting, thus making potential vaccines ineffective. The reality of the science is more complex — and more reassuring.