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Moderna Coronavirus Vaccine Trial Shows Promising Early Results

By Denise Grady

The company said a test in 8 healthy volunteers found its experimental vaccine was safe and provoked a strong immune response. It is on an accelerated timetable to begin larger human trials soon.

Moderna Coronavirus Vaccine Trial Shows Promising Early Results

By Denise Grady

The company said a test in 8 healthy volunteers found its experimental vaccine was safe and provoked a strong immune response. It is on an accelerated timetable to begin larger human trials soon.

Covid-19 Arrived in Seattle. Where It Went From There Stunned the Scientists.

By Mike Baker and Sheri Fink

Scientists traced the virus brought to the Seattle area in January. They were astonished to learn that the same branch of the virus traveled on through at least a dozen states and to other parts of the world.

β€˜Never Say Die’: Genetic Sleuths Rediscover Extinct Species

By Marion Renault

The rediscovery of an insect in Wales hints at environmental DNA sampling’s potential to change endangered species protection.

Reading the Past in Old, Urine-Caked Rat’s Nests

By Marion Renault

Scientists worked out what lived in part of the Western United States tens of thousands of years ago by studying DNA found in pack rat middens.

Matter: DNA Gets a New β€” and Bigger β€” Genetic Alphabet

By CARL ZIMMER

DNA is spelled out with four letters, or bases. Researchers have now built a system with eight. It may hold clues to the potential for life elsewhere in the universe and could also expand our capacity to store digital data on Earth

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